Features: 1Support Zigbee Bluetooth 5.0 remote control scene setting battery power supply electronic key switch. 2No need to wire use button battery (not included) to supply power with doublesided stickers for flexible installation. 3Each button can be adjusted to automatic scene onekey connection and other intelligent scene control. 4Used in conjunction with zigbee gateway dual control with autonomous switch is achieved through application settings. 53button scene switch panel easy to operate suitable for bedroom hall kitchen bathroom. Specification: Item Type: Scene SwitchMaterial: PCWeight: Approx. 98g / 3.5ozCommunication: ZigbeeProduct Size: Approx. 86x86x13mm / 3.4x3.4x0.5inBattery: 1 x CR2430 Button Battery (Battery Not Included)Communication Protocol: ZigBee 802.15.4/2.4GHz/BT MeshStandby Current: 10uAWorking Temperature: -10-45Working Humidity: <90%RHButton Life Cycle: 500000 TimesApplicable Scenarios: Bedroom hall kitchen bathroom Package List: 1 x Scene Switch (Battery Not Included)1 x Double-Sided Tape1 x English Manual Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.