Description:
This applied the US's latest CREE R5 LED bulb. Light color is white, measuring up to 350 lumens. LED life is up to 100,000 hours.
With constant current driver circuit, copper bulb base, aluminum alloy body.
Voltage input range: 3.6-4.2V, 5-mode output
With perfect aluminum reflector cup, no black circle.
Reflector Size: 26.5 * 22mm
Overall length(with spring): 37mm
The length without the spring: 29mm
This is universal 26.5mm lamp head,  suitable for 501B, 502B, 503B, 504B, L2, S-R5, R5, C1 flashlight, etc.

Package included:
1 x CREE R5 LED bulb