• COB Light Beads: 20COB light beads provide bright light and are not dazzling
• Aluminum Alloy Resistant to Falling, Wear Resistant, Stronger: The main body of the bike light is designed with aluminum alloy material, which is more resistant to scratches and falls
• Intelligent Brake Sensing: After sensing braking, W4S will immediately switch to brake light mode. The taillight will be highly bright for 2 seconds to remind the rear to pay attention and improve safety
• Vibration Sensing Automatically Wake Up: The taillights automatically turn off when stationary for one minute with the lights on automatically light up when vibrating
• Light Sensing Automatically Turn On Lights: In Intelligent mode, the built-in photosensitive element monitors environment brightness automatically lights up in dark light, and automatically turns off in bright light

Specifications:

• Beads: COB beads
• Battery: 400mAh lithium battery
• Size: 65 x 48 x 33mm
• Brightness: 60lumens
• Weight: 40g (without bracket)
• Mode: slow flash/breathing flash/quick flash/normal light/double flash
• Case: aluminum alloy 
• Intelligence: Brake Sensor/Auto Start/Stop