1、Applicable Voltage and Current: Smart breaker switch supports 100‑240V voltage, 16A high current, suitable for all kinds of household appliances. The wiring mode is single fire wire or zero fire wire. 2、Compact Size: Small size can be directly installed in the bottom box of the switch, not need to be placed in the ceiling, convenient maintenance operations, beautiful and generous, does not occupy space. 3、Stable Performance: Smart breaker switch is based on for Zigbee technology, stable and reliable, long distance signal transmission, safe and reliable. With countdown, timing, group function, sharing function. 4、Easy to Use: Smart breaker switch works with for Google Home, for Tmall Genie, etc; 3 states including default on or off, or memory state. 5、Intelligent Operation: Professional smart breaker switch can be connected with for Tuya smart home ecosystem for more intelligent operation and scene linkage. 1 x Smart Breaker Switch1 x Manual Item Type: Smart Breaker SwitchMaterial: PCWeight: Approx. 46g/ 1.6ozSize: Approx. 59x42x20mm / 2.32x 1.65x 0.79inWiring Mode: Single Fire Wire or Zero Fire WireMaximum Load Current: 16AWiFi Standard: 2.4GHz 802.11b g nApplication Name: for Tuya Smart, for Smart LifeWireless Standard: for Tuya Program, for Zigbee 3.0