High-Sensitivity Vibration Sensor: Equipped with a sensitive vibration sensor, this bike alarm detects any tampering or movement, delivering instant alerts with a loud 113dB alarm to deter thieves effectively. Remote Control: Enhance the usability of your security system with an easy-to-use remote control that allows you to set and disarm the alarm from a distance. Compact and Versatile: Designed for a seamless fit on various types of vehicles from bicycles to motorcycles, this alarm is small enough to be discreet yet powerful enough to provide robust protection. Construction: Built to withstand the challenges of outdoor use, this alarm promises long-lasting reliability and protection against theft. Host: Waterproof grade: IP65 3 volume levels: 96dB in low range, 105dB in medium range, and 113dB in maximum range Battery type: 3 No. 7 batteries(With battery) Battery life: 1-3 months of daily use (approximately 6 months of continuous standby) Working frequency: 433.932+/-75 KHZ MHZ Wireless range: about 50M in open space Working temperature: -40-+60 Storage temperature: -30-+70 Working humidity: 0-80% Remote control Battery type: 1 27A alkaline battery(With battery) Battery life: Frequently used for over 1 year (calculated by remote control 5 times a day) Working frequency: 433.932+/-75 KHZ MHZ Wireless range: about 50M in open space Working temperature: -40-+60 C Storage temperature: -30-+70 Working humidity: 0-80% Due to different batches, there may be differences in product appearance and printed text, which will not affect use Color: Black Material: ABS Package Contents: 1x sensor alarm kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.