剛剛搜尋了一下「E21」在CPF上有看到不鏽鋼黑色的版本
規格如下:
Emitter: Nichia 219B
Battery: 1*AAA or 2*AAA (compatible with rechargeable and alkaline AAA battery)
Working voltage: 0.9-4.2 volts
Maximum Output: 200 lumens
Maximum Beam Intensity: 880 CD
Maximum Beam Distance: 60 Meters
Driver: Most efficiency constant current driver with a long runtime up to 100 hours
Body Material: Aluminum alloy
Clip: Stainless steel clip
Lens: Double coated anti-reflective coating lens
Reflector: OP reflector
Waterproof: IPX-6(1.5 meter under water)
Impact resistance: 2 meters
Dimensions:
Length: 128.5 mm Diameter: 16.6 mm Weight: 30g (without battery)