Mini compact design, vibration security alarm with high quality wireless remote control, easy to install and use. Siren with on/off switch and remote control with alarm disarm bell and panic button for easy operation. 105dB super loud alarm sound, lasts about 40 seconds, low power consumption, long working hours; Perfect for protecting your store, office, home or any other place that needs protection. Let you enjoy a safe and comfortable life! Smart and stylish design. Once triggered, the 105 decibel super loud alarm will have a great deterrent effect and can effectively scare away thieves. Power supply: Low power consumption design, can work for a long time. Host battery: 2 x AAA alkaline batteries (not included) Remote control battery: 12V/27A alkaline battery (included) Easy installation There is double-sided adhesive on the alarm panel, just peel and stick it to install on the door, bicycle, motorcycle, car or anywhere. Please note: 1) The vibrating alarm can be used outdoors, but