Suitable for bicycles, electric bicycles, motorcycles, scooters, cars, doors and windows... Vehicle search function, easy to find your vehicle by 6 kinds of bells ------ 3 adjustable volume, up to 113db Wireless control by remote control. Easy to install by sticking with double-sided sticker or tying with strap This vibration-triggered burglar alarm, with a loud 113dB alarm sound, can help effectively deter burglars, which provide extra security and give you peace of mind when parking at home or at work. 'outside. There are 7 adjustable sensitivity levels from soft touch to thrust or beat. A remote control need a 12V/27A alkaline battery (included) standby for more than 1 year Installation: tie your bike by the strap through the holes or stick the back of the alarm with double-sided sticke.