Smart Bicycle Tail Light, Brake Sensor - Red / Arc

Product Description

- COB LEDs: 20 COB LEDs provide bright, glare-free light. - Durable, wear-resistant aluminum alloy: The main body of the bike light is made of aluminum alloy, making it more resistant to scratches and drops. - Smart brake detection: After detecting braking, the W4S immediately switches to brake light mode. The taillight will be very bright for 2 snds to remind drivers behind you to pay attention and improve safety. - Vibration detection, automatic wake-up: The taillights automatically turn off when stationary for one minute with the lights on, and automatically turn on when they vibrate. - Light detection, automatic light activation: In smart mode, the built-in photosensitive element monitors the ambient light, automatically turning on in the dark and off in bright light. Specifications: - Beads: COB beads - Battery: 400 mAh lithium battery - Size: 65 x 48 x 33 mm - Brightness: 60 lumens - Weight: 40 g (without bracket) - Modes: Slow flash/Breathing flash/Fast flash/Normal light/Dual flash - Housing: Aluminum alloy - Intelligence: Brake sensor/Automatic start/stop