RSH-Zigbee-SC04 Zigbee Scene Switch Remote Control 2.4Ghz Smart Home Switch with 12 Scenes 4 Gang BT Switch Hub Required The smart switch is time and energy-saving alternative to the traditional hard-wired switch. It can set a scene quickly after connecting with Zigbee gateway and the phone APP, which is suitable for bathroom, kitchen, bedroom or any other places. Features: *  A ZigBee gateway is a must for this smart scene switch. BT5.0 communication is also available, which requires BT gateway. *  Wireless remote control smart devices, such as smart dimmer switch, smart bulb, smart plug, etc. Enjoy the great convenience brought by smart devices.  *  After connected with the Smart Life (or Tuya) APP, 12 scenes can be set on the 4 buttons individually, in which there are 3 pairing modes on each button. *  With two double-sided tapes, the switch can be stick on the wall or put in other places you like. . *  Powered by CR2430 button battery, it offers up to 730-day standby time for daily use. Note: Please read the user manual carefully before using this product.  Specifications: Model: RSH-Zigbee-SC04 Material: PC Color: White Input Power: CR2430 button battery (not included) Communication: Zigbee 802.15.4 / 2.4Ghz / BT Mesh Standby Current: 10uA Standby Time: 730 days Working Temperature: -10℃-45℃ Working Humidity: ＜90%RH Button Lifecycle: 500K Dimension: 86 * 86 * 13mm Item Weight: 70g / 2.47oz Package Size: 10.1 * 10.1 * 2.1cm / 3.98 * 3.98 * 0.83in Package Weight: 98g / 3.46oz Package List: 1 * Switch  1 * User Manual  2 * Sticker