Enhanced security and visibility: Equip your bike with our bike alarm, which can deter thieves with its loud 115dB alarm. Brake sensing technology ensures that the light brightens when you , alerting drivers and pedestrians behind youWaterproof and : Designed to withstand adverse weather conditions, this rugged alarm is completely waterproof, ensuring it works rain or shineRemote control operation: The convenient remote control allows you to remotely set and disarm the alarm, improving the user experience and bringing more convenienceVersatile: This alarm is suitable for bicycles and motorcycles, providing a versatile solution to your security needs, giving you peace of mind no matter where you park your vehicleHost Battery: 3.7 V 700mAh lithium battery, working time about 1-3 months, standby time about 6 monthsHost Charge Port: Standard USB-C 5V (some quick chargers may not be compatible)Working Frequency: 433.92MHzWaterproof level: IP65 waterproof and dustproofWorking Environment Temperature: -40-+70Working Environment Humidity:Less than 80%Storage Temperature:-40-+70Color:As ShownMaterial:plasticPackage Contents:1 * Alarm2 * Remote Control1 * USB CableOnly 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.