Anchtek Motorcycle Bike Alarm 113dB Waterproof Electrical Safety Bicycle Alarm with Remote Control Vibration Warning Sensor -- Anchtek Motorcycle Bike Alarm 113dB Waterproof Electrical Safety Bicycle Alarm with Remote Control Vibration Warning Sensor Feature: Alarm requires 3 AAA alkaline batteries (included) for standby for 6-10 months Remote control needs CR2032 button battery (included) for standby for more than 1 year Wireless range: 10-20 meters Working ambient temperature: -20 ~ 60 degrees Working environment: 80% Storage temperature: -30 ~ 70 degrees Description: Remote control distance: Remote control distance: 0-66 feet (20 meters). Working environment: IP55 waterproof (don't be afraid to use in rainy days). Touch sensitivity: There are seven levels from high to low, with seven tones for Le Mi FA, so La Si sound effect prompt. Capacity: 113dB high volume, hidden parts installation can also effectively stop thieves! Multiple uses: Bicycles, motorcycles, doors and windows, vibration alarm, more accurate identification of theft. Package includes: 1 * Alarm (including battery) 1 * remote control (including battery) 2 * cable tie 2 * double-sided stickers 1 * screwdriver set 1 * user manual 1 * keychain