Description: Size: 74 * 13mm Product weight: 58G Alarm volume: 130dB Standby current: ＜ 10uA Low battery prompt: 2.3V ± 0.2V Power supply: 2PCS AAA Batteries (not included) It can be used with Tuya APP Specifications: High pitched alarm: High decibel 130dB alarm to protect property and protect you. Vibration sensing: With vibration sensing adjustment gear, sensitivity adjustment dial can be controlled at will. Low power reminder: Energy saving and power saving, standby for up to one year. When the battery voltage is lower than 3V, the LED flashes to remind. Remote notification: WiFi is connected to remote mobile phone notification, and you can know the situation at any time when you are not at home. Simple installation: Tear off the attached double-sided sticker and stick it on the back of the product, and stick it at the position where it needs to be placed. Multi-scene application: can be used for doors, windows, safes, cabinets and other scenes Package Included: 1*Alarms