Features: Simple to operate and easy to install. Super loud, simple, easy to theft. Good reliability and lifelong lasting time, is useful and durable. Burglar no worries, professional car care. Wireless vibration alarm with infra-red remote control. Descriptions: Short leave cycling, no longer bother to go locked up. Perfect to protect your shop, office, home, car, house or anywhere requiring protect. Applicable to different type of bicycle and suitable for all types of handlebars. Effective remote control and alarm sensors 10 meters above the terminal, open area up to 30 meters. Specification: Alarm decibel: 110db Working current:<100mA Working temperature: -15~75℃ Material: Plastic Alarm Power: 9V battery*1(Not included) Remote Power: 12V battery*1(Not Included) Remote Distance: 5-10m Color: Black Size: 95*60*38mm Package includes: 1 x Bicycle Alarm 1 x Remote Controller Notes: Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.