Simple to operate and easy to installWireless Vibration Alarm with infra-red remote controlPerfect to protect your shop， office， home， car， house or anywhere requiring protectionSuper loud， simple， easy to theftShort leave cycling， no longer bother to go locked upBurglar No worries， professional car careEffective remote control and alarm sensors 10 meters above the terminal， open area up to 30 metersUse methods: Press the red button A fortification will beep; press the B button to cancel the gray theft will beep twice.Alarm powered by 1pc 6F22 9V battery (not included)Remote controller powered by 1pc L828 battery(included)Alarm Size:9.5x6x3.5cm(approx)Package includes 1 x Vibration Alarm1 x Remote Controller