Solar Air Cooling Fan for the Safety Helmet
THS-153 helmet solar fan is a solar air cooling fan for use at safety helmets. The product, THS-153, help the workers in construction sites to protect them from sunstroke or heat apoplexy. The size is 144 x 75 x 67mm, and THS-153l has a special designed installation part to be conveniently attached to any kinds of safety helmets. Also, THS-153 do not require separate dry batteries, as the built-in rechargeable lithium ion battery is mounted. The built-in battery can be recharged through the solar module or through USB port. The fan is a specially designed, normally used in the car navigation system and PC. THS-153 can be operated for 7 hours after full charge.
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