Smart Wireless Alarm Motorcycle Bike Rechargeable USB Anti Theft Remote Control Alarms Motorcycle Bike Warning Bell -- USB-C rechargeable arm and disarm by remote control Strong remote range up to 164ft ~ 229ft 3 installation methods 7 levels adjustable sensitivity/levels adjustable volume/vehicle search function 3 different ringtones for vehicle search function (not valid in arm mode) Low battery indicator (if the alarm is low battery charge, when you press the arm/disarm button, it will show low battery warning message) IP54 waterproof Specifications Alarm noise level: 110dB Waterproof class: IP54 Remote range: up to 164 feet (up to 229 feet outdoors) Alarm battery: 4.2V 700mah lithium battery (incl.) Remote control battery: 27a (12V) alkaline battery (inclusive) Rechargeable: Alarm battery only (USB C battery) Alarm working time: about 1 ~ 3 months. Standby time is about 6 months Remote working time: 1 ~ 2 years (5 times a day) Working frequency: 433.92mhz Working temperature: - 40 ~ + 70, storage temperature: - 40 ~ + 70 Working humidity: 80% Low battery warning and charging :1. Check if the remote control indicator can light up. If no or weak light, please replace the remote control battery.2. The alarm is in low power mode when you receive it. In this mode, the remote control cannot control the alarm. Please charge the alarm at least 1 minute to activate before use, otherwise the remote control cannot control the alarm.3. If the alarm has been charged and activated, the remote control still does not work, please re-pair the remote control and alarm. Pairing method please see. Package includes: 1 set * Motorcycle Alarm device Notice: 1: Before first use, please charge it once to activate before normal use. It is recommended to use it again when it is fully charged.2: Due to the remote control upgrade chip, the same remote control in the store cannot be connected with this product.