Features WIDE APPLICATION: Very useful anti theft alarms suitable for bikes, electric bikes, motorcycles, moped, scooters, cars, trailers, luggage, doors and window, etc. 110dB ALARM: Built in motion sensor and vibration alarm, this bike anti theft alarm can effectively prevent thieves and provide additional security through the loud 110dB alarm. SMART BRAKE LIGHT: An automatic bike brake light with a built in G sensor. After braking, the tail lights will automatically highlight for 2 seconds to remind other drivers behind them, effectively avoiding rear end collisions and traffic accidents. 4 LIGHT MODES: This light has 4 modes for you to choose from, slow flashing, breathing, fast flashing, constant light. Choose the mode better for the situation. REMOTE CONTROL: Through remote wireless control, the updated remote control has a powerful wireless range of up to 164 to 229 feet. Vehicle search function makes it easy to find your vehicle in the parking lot. Specification: Item Type: Bike Tail Light Alarm Material: PC, UV Remote Control Mode: 03C USB Charging Interface: Standard USB C 5V (some fast charging heads are not compatible) Host Battery: 3.7v lithium battery 802535 x 1 700mAh (shipped with built in battery) Remote Control Battery: 27A (12V) alkaline battery x 1 27mAh (shipped with built in battery) Waterproof Grade: IP65, waterproof and dustproof Alarm Level 3 Volume: 90 to 110dB Working Temperature: -40 to 70 ℃ Working Humidity: Less than 80% Storage Temperature: -40 ℃ to 70 ℃ Working Frequency: 433.92MHz Main Functions: 1. Super bright bike taillights (with 4 lighting modes) 2. Car brake light (built in G sensor) 3. Anti theft vibration alarm (7 adjustable sensitivities) 4. Vehicle search function (easy to find your vehicle in the parking lot) 5. Automatic on, off function (only in slow flashing, breathing mode) Package List:1 x Bike Tail Light Alarm1 x Remote Control  1 x Manual 2 x Ties  1 x Data Cable  14 x Accessories  Note:Attention:1. When using with the vehicle, it is necessary to pay attention to the fixing method of the main unit and choose to paste or tie it.2. Concealed installation of the host will weaken the size of the alarm sound.3. The host should not be installed in a confined space surrounded by metal materials. The metal has a large shielding effect on wireless signals, which affects the distance between remote control. Package List 1 x Bike Tail Light Alarm 1 x Remote Control 1 x Manual 2 x Ties 1 x Data Cable 14 x Accessories