Features & Specifications:

• Emitter: CREE XPG3 (Cool White)
• Maximum 200 lumens output
• Maximum beam intensity: 1000cd
• Maximum beam distance: 63meters
• Working voltage: 1.8-3.2v
• Power by 2x AAA batteries (Battery Not Included)
• Driver: Most efficiency constant current circuit
• Material: Aircraft-grade aluminum body
• Surface treatment: Premium Type III hard-anodized anti-abrasive finish
• Aerospace grade aluminum alloy construction
• Waterproof: IPX-8 (2 meter under water)
• Impact resistance: 2meters
• Size: 133mm length x 14mm head diameter
• Weight: 29g (without battery)
• Accessories: O-ring*1

Brightness Levels & Runtime:
Low 4lm, 47hrs
Mid 58lm 4.5hrs
High 200lm 40min
 

Operation:
ON/OFF: with the light turned off, press the switch until a click is head to enter low output directly, press the switch again to turn the light off.
Brightness Adjustment: With the light turned on, turning the PL21 off and on within 0.5 seconds or simply press the switch halfway to down cycle brightness through "low-mid-high" the PL21 will turn on in "Low" by default after it is turned off for 0.5seconds.