Sensing vibrationImmediate remote SMS notification to remind you that the alarm is emitting 130 decibels The alarm sound attracts the attention of people around and scares [Ultra-slim Window Alarm]: Vibration sensor, powerful alert sound. There is a vibration sensor in the window door alarm that detects glass breaks and when windows being opened with force. Immediately alerts you to potential break-ins and protects your safety. [Simple Design]: Small size, do not take up space. The operation is very simple. When the switch is pushed to "ON", the indicator light will flash 3 times. Its sensor detects vibration and emits a 130 dB alarm. Switch to "OFF" can turn off the alarm. [Easy to Install]: No tools are required. No need to plug in. The product 2PCS AAA batteries (not included)Tear off the double-sided tape and past it on the window or wherever needed. [A Wide Range of Applications]: Suitable for a of occasions and environments. Such as glass doors and windows, drawers, cabinets, , home security doors, RVs, etc. Product weight:58G Alarm volume:130dB Power Suplly:2xAAA battery(Not included batteries) Standby current:Less than 10uA Low battery prompt:2.3V±0.2V Can be used with Tuya APP Function: 1. High pitch siren 2. Vibration sensing 3. Low power consumption reminder 4. Remote notification 5. Simple installation 6. Multiple scene applications Colour:White Material:ABS Size:74x13mm Package Contents: 1 * WiFi Door Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. [Simple Design]: Small size, do not take up space. The operation method is very simple. When the switch is pushed to "ON", the indicator light will flash 3 times. Its sensor detects vibration and emits a 130 dB alarm. Switch to "OFF" can turn off the alarm. Sensing vibrationImmediate remote SMS notification to remind you that the alarm is emitting 130 decibels The alarm sound attracts the attention of people around and scares away [Ultra-slim Window Alarm]: Vibration sensor, powerful alert sound. There is a vibration sensor in the window door alarm that detects glass breaks and when being opened with force. Immediately alerts you to potential break-ins and protects your . [Easy to Install]: No tools are required. No need to plug in. The product 2PCS AAA batteries (not included)Tear off the double-sided tape and past it on the window or wherever [A Wide Range of Applications]: Suitable for a variety of occasions and environments. Such as glass doors and , drawers, cabinets, , home security doors, RVs, etc.