Features of the R3 Tail Light:
 
Dual-bracket design and same-frequency induction brake light 
Automatically detects when you brake, enhancing visibility and safety on the road
Easy Installation
Resistant to wear and tear, ensuring long-lasting use
Suitable for all types of bicycles, the R3 tail light is a versatile accessory for cycling enthusiasts
 
Specifications:
Brand
ROCKBROS
Model
R3
Material
Aluminum Alloy+Plastic Base
Lamp Beads
COB Lamp Bead
Mode
4 Lighting Modes
Battery
3.7V 300mAh Lithium Battery
Waterproof
IPX6
Weight
About33g (Including Saddle Bracket）
Dimensions
About30*34*34mm
Applicability
for 38-54mm Seat Post

Package includes:
1 x Taillight
1 x Holder
1 x Charging Cable