Double function police flash shoulder lamp surface flat, smooth, should not have cracking, deformation, parts without scratches, sharp angle, jacket, shell and other parts should be tight without loose, switches, keys and other parts of the control should be flexible and reliable.
Technical parameters:
The stainless steel clip is stronger.
Operating temperature: -200 C 10600 C.
Flash pulse: 75 (times/minute).
Rated voltage: 3.7-4.2 (VDC).
Peak current: 150 (mA).
Power capacity: 1600 (mAH).
Power supply: Polymer batteries.
Power protection: overcharge, over-release, overcurrent, short-circuit, ultra-high temperature charge overlooking.
Control mode: tap the key, continuous working time: more than 24 hours, charging mode: constant flow.
Operating mode test: the prototype has two modes of operation, switching flash, and white light lighting.
Flashing frequency test: 8Hz plusmn;2Hz.
Peak light test: .7cd.
Housing protection level inspection: the printing in line with GB4208-2008 IP5X rating requirements.
Battery charging time test: 3h.
Continued working time test: .10h.
High temperature test: temperature 55 plusmn; 2 degrees C, duration 4h, the prototype is in operation, after the test to restore the 2h prototype should be able to work properly.
High temperature storage test: temperature 60 plusmn; 2 degrees C, duration 16h, the prototype is in a non-working state, after the test to restore the 2h prototype should be able to work properly.
Low temperature test: temperature -30 plusmn; 3 degrees C, duration 2h, the prototype is in operation, after the test to restore the 2h prototype should be able to work properly.
Bottom temperature storage test: temperature -40 plusmn; 2 degrees C, duration 16h, the prototype is in a non-working state, after the test to restore the 2h prototype should be able to work properly.