This no-neutral-required smart switch does not necessitate a neutral wire at either the master or add-on locations. A Zigbee 3.0 Hub is essential for its operation. The 1.08-inch shallow housing design enables it to fit congested wiring outlet boxes. Without a neutral wire, the switch requires a complete circuit to provide a constant power supply for itself, and a lamp is recommended as the load. The switch cannot power a socket if there is no actual load.

The switch specifications are as follows: Input - 120VAC, 50/60Hz; Circuit Type - 3-way and 4-way; Wireless - Zigbee (requiring a Zigbee Hub); and Home Automation compatibility with Alexa, Google Home, and app control.

This listing provides options for a 2-pack of add-on switches, a 4-pack of switches, a standalone Zigbee 3.0 Hub, and a master and add-on switch set. The customer reviews average 4.1 out of 5 stars based on 1,288 ratings.

The installation is straightforward, as this no-neutral-wire smart switch can work with all wiring conditions. For 4-way wiring, an additional add-on switch is required. The switch specifications include support for a minimum of 5W LED, ON/OFF 10A relay smart switches for lights (not a smart dimmer switch).

The compact design fits congested outlet boxes and standard decorative wall plates, allowing for the placement of another smart wall switch next to it. The Alexa Light Switch feature enables voice control through Alexa and Google Home, but a Zigbee 3.0 Gateway smart home hub, such as SmartThings, is necessary for the internet connection.

The switch is compatible with standard Zigbee 3.0 hubs, including Samsung SmartThings, Hubitat, and SmartLife, allowing for home automation integration with other smart home products.

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