1、EASY TO USE: The scooter anti theft alarm can be directly mounted, easy to connect and provide you with a good using experience. 36‑55V voltage can be universal. 2、APPLICABLE MODELS: The scooter anti theft device is suitable for XT30 interface and for M365 electric scooter, and equipped with two remote controls for your convenience. 3、HIGH TONE ALARM: The scooter anti theft device will emit a loud high tone alarm sound to attract people's attention, the sound can reach up to 115 decibels. 4、EASY TO INSTALL: The scooter alarm system is easy to install, just use double sided stickers or use straps to fix it. No complicated tools and techniques are needed to install the anti theft alarm firmly on the scooter. 5、DURABLE MATERIAL: The scooter anti theft device is made of plastic and metal, which is durable, wear proof and long lasting. Not only can they provide reliable anti theft protection, but also withstand the impact and wear and tear of daily use. Item Type: Anti Theft Security Alarm System Material: ABS, Metal Weight: Approx. 95g / 3.4oz Remote Control Battery Type: Lithium Battery (Built In) Single Remote Control Battery Capacity: 500mah Applicable Voltage: 36-55V 1 x Anti Theft Alarm 2 x Remote Control 1 x Instruction Manual 1 x Sticker