Parameter:

Material: aluminum alloy and brass

Length / Diameter (host) : 123mm / 26.6mm

Diameter / Thickness (lens) : 22.8mm / 1.5mm

Diameter / Height (reflector) : 22.8mm / 11.7mm
Bottom hole diameter (reflector) : 7mm

Switch type : 1288switch

Applicable battery type : 21700 lithium battery

weight:75g

Notice: LED and driver are not included, you should use LED with 20mm PCB board and driver with 20mm diameter,height of the component on the driver should not exceed 6mm

if you use 17mm driver,pls choose "host with adpater" option