The hub dynamo light with a strong city cycle image, but it doesnt require battery replacement or charging to be the best light for using sports bikes on the street. It will not run out of battery when commuting to school or work, and automatically lights up in tunnels during the day, making it safer for street rides.
High performance light with high performance, low price.
■Product Code: 800HDJ2-65-01
■Product Name: 800HDJ2
■ Compatible Planning: 6v / 2.4w | 6v / 3w
■ Cable: J2 terminal (2 wire) length 65cm
■ Bulb: 0.5W White LED
■Automatic sensor: Light sensor (LED lights up for 30 to 60 seconds when parked)
■ Power supply: hub dynamo only
■ Installation: Caliper brake hole fixed.
■Weight: 3.2 oz (90 g) (including stainless steel light stay)
■ Size (H x W x D): 3.0 x 2.0 x 2.1 inches (75 x 52 x 54 mm) (light body)
■Function: Steady on / Auto
■ Accessories: Fixing bolt (long) / fixed bolt (short) / nut washer etc.

From the Manufacturer

CROPS 800HDJ2-65-01 Bicycle Front Light for Hub Dynamo, Compatible with 6V-2.4W/6V-3W, Black

Front Brake Position Hub Light A light that can be used as a regular hub to power hub change or replacement.It has a simple design that matches a variety of bicycles, and features that can be used for street rides and long rides. Can be switched between automatic lighting / steady lighting (turns on when running) Rust-resistant stainless steel stays Highly versatile 25.6 inches (65 cm) cable.	Installation Image Compatible Standards: 6V / 2.4W Bulb: 0.5W White LED Cable: J2 terminal (2 wire) length 25.6 inches (65 cm) Automatic sensor (can be switched between automatic, running steady light): Light sensor Fixing method: caliper brake fixing holes

	Crops LUM100 (C1L01-01-9312) Bicycle Front Light, Black	Crops LUM120 Bicycle Front Light, USB Charging, Black	Crops LUM240mu (C1L03-01-9336) Bicycle Front Light, Black	CROPS 800HDJ2-65-01 Bicycle Front Light for Hub Dynamo, Compatible with 6V-2.4W/6V-3W, Black	Crops ZP-HSPB01 Bicycle Front Light Bracket for Fork Column, Black
Type	Front Light	Front Light	Front Light	Front Light	Bracket
Brightness	Approx. 100 lumens	Approximately 120 lumens	Approx. 240 lumens	(for hub dynamo)	For fork columns

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Type	Headlight	Headlight	Headlight	Front Safety Light	Front Safety Light
Brightness	Approx. 14 lumens / 1000 candela.	Approx. 100 lumens / 2000 candela.	Approx. 100 lumens / 2000 candela.	Approximately 37 lumens	-