M640B:
Function: Constant
Battery: CR123A * 2 / 16340 * 2
Size: 128 x 35.1 x 30.5 mm
Running Time: 1.5 Hr
Lumen: 420 (Rechargeable Battery)
Material: Aluminum
M640C:
Function: Constant
Battery: CR123A * 2 / 16340 * 2
Size: 137.3 x 35.1 x 30.8 mm
Running Time: CR123A 103 mn
Lumen: 640 (Rechargeable Battery)
Material: Aluminum
M640U:
Function: Constant
Battery: CR123A * 2 / 16340 * 2
Size: 138.7 x 35.1 x 31.5 mm
Running Time: 1.5 Hr
Lumen: 390 (Rechargeable Battery)
Material: Aluminum
M640W:
Function: Constant/ Strobe
Battery: CR123A * 2 / 16340 * 2
Size: 144.2 x 35.1 x 30.9 mm
Running Time: 2 Hr
Lumen: 300 (Rechargeable Battery)
Material: Aluminum
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