Support Zigbee low-power wireless protocol, with our Zigbee gateway one-click distribution network Support 1/4 key button, can be bound to other our lighting control equipment Powered by button battery (replaceable), can work for 5 years Support multiple installation methods such as wall mounting, 86 boxes, desktop, etc. Support "TP-LINK Smart Home APP" remote control management Support linkage with other smart home devices Support custom scene mode switching product name Wireless smart panel switch (Zigbee sticky note)) Product model TL-RU-SWB210Z (single key) TL-RU-SWB240Z (four keys) wireless Zigbee General parameters Product size: 86mm*86mm*12mm Working environment temperature: -10°C~50°C Working environment humidity: 10%~90%RH IP grade: IP20 Battery specifications CR2032