Features: The remote control has an independent and pleasant reminder. Real-time remote monitoring of motorcycle vibration and locomotive start-up condition. Two-way long distance is 500 meters, remote LCD screen icon shows locomotive condition. Adopt FSK (Digital Frequency Modulation) wireless two-way transmission technology, strong anti-interference ability. The motorcycle can be turned on and off remotely without a key. Automatic arming. Remote alarm and vibration dual alarm function. Search for car, anti-theft, ask for help and deter thieves, etc. The display is made of scratch-resistant nanotechnology, fully sealed and waterproof. Specification: Condition: Brand New Color: Shown as Picture Material: ABS Rated Voltage Range: 9-16V Quiescent Current: ≤3.5mA Operating Frequency: 315.5Mhz ± 0.5Mhz Speaker Sound Level: 105-125db Applicable Temperature Range: -30 ° C-60 ° C Remote Control Battery: Lithium Battery 27A 12V 27Mah(Included) Matching Battery: AAA Battery LR03 900Mah(Included) Fitment: for Motorcycle, for Electric Vehicle Package List: 1 x Host 1 x Speaker 1 x Harness 2 x Remote Control 2 x Sponge Stickers 1 x Instruction Manual 1 x Battery 1、The remote control has an independent and pleasant reminder. 2、Real-time remote monitoring of motorcycle vibration and locomotive start-up condition. 3、Two-way long distance is 500 meters, remote LCD screen icon shows locomotive condition. 4、Adopt FSK (Digital Frequency Modulation) wireless two-way transmission technology, strong anti-interference ability. 5、Search for car, anti-theft, ask for help and deter thieves, etc.