Your needs, this model
Does it fit your priorities?
Which exact single-plug edition is this?
The Shelly USA white single-variant record identifies Plug US Gen4, model S4PL-00116US, with EAN 3800238072094. It is one device, not a multi-pack or a different Plug US generation.
Explore this need in the finder →Does the 1,800 W figure cover a motor or every appliance?
No. The manual and product specifications limit the 15 A / 1,800 W maximum output to resistive loads. The checked sources do not publish a horsepower ceiling for motors; check both appliance instructions and the plug's exact instructions.
Explore this need in the finder →Will it keep working if the internet drops?
The guide documents a local web interface on the home LAN and the device supports schedules. That is a local, already-configured path—not remote control from away, initial setup without a network or operation after the router/Wi-Fi itself fails.
Explore this need in the finder →Assessment basis: this review covers the Shelly USA white single-plug route for model S4PL-00116US (EAN 3800238072094). It is a document-based comparison, not a hands-on test. I have not installed, operated, measured or load-tested this device, and the EAN is not an Amazon ASIN.
One outlet, but more than one setup path
The single package is the simplest way to assess the Gen4 if the goal is one independently controlled indoor outlet. Its useful distinction is not just a phone switch: Shelly lists Matter compatibility, app control, power and energy metering, a multicolor status light, an ambient-light sensor and local schedules. The printed guide identifies one NEMA 5-15 Type-B plug and one Type-B receptacle. The product page has broader Type-A compatibility wording, so check the plug and grounded receptacle in the actual instructions instead of assuming that every two-slot wall outlet is suitable. The default firmware is the Wi-Fi/Matter mode. Shelly's guide says five quick button presses change the firmware to Zigbee. Treat those as alternative operating modes, not simultaneous radios: a buyer who wants Matter in Apple Home should not expect the Zigbee configuration to remain active at the same time. Matter also brings its own setup dependency: the manufacturer lists Apple Home compatibility, but a compatible Matter controller and platform setup are part of that route. The alternative Zigbee mode needs a compatible coordinator. Neither protocol label alone establishes that every feature or automation is exposed in every app.Ratings: the load category matters
Shelly publishes 120 V, 15 A and a maximum output of 1,800 W for resistive load. That is a useful ceiling for a documented resistive appliance, but not permission to apply the same number to a motor, compressor or other load with a different startup profile. The US materials checked for this assessment do not give a horsepower limit. A wide-ranging “smart plug” description is not a motor rating, and the presence of power monitoring does not make an appliance electrically suitable. Compare the appliance nameplate and both sets of instructions; when the exact load category or startup demand is unclear, do not use this finder as approval.Schedules and energy data need the right interface
The device guide lists up to 20 schedules, and the manufacturer describes local routines and power/energy measurement. The Shelly Smart Control and device-local route is where the reviewed material establishes scheduled actions and energy reporting. The product page also documents an integrated countdown shutoff after one hour; it does not establish identical timer controls in Apple Home or other third-party apps, or an arbitrary duration. The sources do not establish that an Apple Home energy dashboard displays Shelly’s same history, that an independent meter would agree to a stated accuracy, or that a schedule will recover identically after every power interruption. Away Mode is not documented for this configuration. For a household internet outage, the guide describes an embedded web interface accessible only from the same local network, and Shelly describes local automation. That is a useful distinction from remote access over the internet: the plug and controlling device still need a functioning home LAN. It is not a promise that Wi-Fi, a router failure or a first-time setup can be bypassed. Bluetooth LE is listed, but its exact role is not used here to promise ongoing control.Measure the outlet before choosing a compact plug
The product page gives physical dimensions of 1.50 × 2.52 × 2.01 inches (H × W × D); the printed guide gives 1.42 × 2.52 × 1.99 inches. Width agrees, but height and depth differ slightly, so those two axes are withheld from numeric finder matching; only the shared 2.52-inch width is used. Measure the wallplate, the neighboring receptacle, the connected cord and nearby furniture. A body measurement cannot establish that both wall outlets remain accessible or that a bulky adapter will clear the device.Who should shortlist the single package?
Consider this route when one indoor point needs a physical on/off control, Shelly-app schedules or its metering view, and the household is willing to choose a Wi-Fi/Matter or Zigbee setup deliberately. The single pack avoids buying extra units for a one-location task. It is not an outdoor plug, a dimmer, or a verified motor controller, and this review does not claim energy savings or verified meter precision. Before ordering, confirm the white single EAN, model code, grounded outlet, local networking needs and the exact seller's return terms. Do not treat other package quantities or the black finish as the same retail variant merely because they share the S4PL code. The exact-name CPSC SaferProducts query checked for this assessment returned an empty list on 2026-10-31; that limited search is neither a safety certification nor a guarantee about future recalls. This report makes no claim of ownership, customer experience, laboratory results or human use.Key specifications
Key details at a glance
| Controlled outlets | One controlled outlet per plug |
|---|---|
| Reviewed package | One white plug; exact storefront variant is White / Single. |
| Maximum current | 15 A |
| Maximum published watts at 120 V | 1800 W |
| Motor limit | The checked US materials do not publish a horsepower limit. The 15 A / 1,800 W maximum output is explicitly for resistive loads only. |
| Body width | 2.52 in |
| Network and protocol | The default firmware is the Wi-Fi/Matter route. Five rapid button presses switch the device to Zigbee firmware; Matter and Zigbee are alternative firmware modes, not simultaneous control modes. The checked materials describe 2.4 GHz Wi-Fi, Bluetooth LE and a built-in local web interface. |
| Indoor use only | Yes |
| Outdoor rating | No |
| Schedules documented | Yes |
| Countdown timer / auto-off | Yes |
| Matter controller for third-party app | Yes |
Use the exact model’s instructions for operating limits, supplied equipment and version differences.
Sources for this review
Sources for this assessment
- Shelly USA Smart Plugs collection
- Shelly USA exact white single-variant storefront record
- Shelly Plug US Gen4 White product page and specifications
- Shelly Knowledge Base: Shelly Plug US Gen4
- Shelly Plug US Gen4 printed user and safety guide
- CPSC SaferProducts exact-name query for Shelly Plug US Gen4
- Official Shelly image of one white Plug US Gen4
Check the exact version against your own outlet
The finder checks documented ratings and features; it cannot approve your appliance, outlet wiring or physical clearance.