Bicycle Bike Wireless Remote Control Anti Theft Alarm Sensor Shock Vibration Cycling Alert Lock Features: Wireless vibration alarm with infrared remote controller, simple to operate and easy to install. Great to protect your shop, office, home, car, house or anywhere protection is required. Super loud alarm volume of more than 105db, efficiently prevent from theft. Effective remote control and alarm sensor, 10 meters sensing distance above the terminal and up to 30 meters in open area. Professional alarm protection for short leave cycling, no longer bother to go locked up. How e:  Press the red button A fortification to beep;  Press the Gray button to cancel the protection and beep twice. Specifications: Condition: Material: ABS plastic Color: Black Standby Current: <100mA Alarm Volume: >105db Working Temperature: -15~75°C Storage Temperature: -40~85°C Ambient Humidity Level: 5%-98% Alarm Power Supply: 1pc 6F22 9V battery (not included) Remote Controller Power Supply: 1pc L828 battery (included) Package List: 1 * Alarm 1 * Remote Controller 1 * Screw Bag 1 * User Manual Note:New and old models of this protect will be shipped randomly.