Wisdom KL4MS, Product Description

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1.5
Advanced technology of preventing isolation circuit in the
charging contacts
In view of the compatibility of traditional and USB charging way. In order to make sure that there
is no voltage difference and there is no current when they touch each other among the three
charging contacts, we design the preventing isolation circuit, which ensure the safety and
reliability during use of the miner cap lamps.
1.6 Explosion- proof and super impact-resistance
The housing is made of bulletproof PC of German Bayer brand. The optimized mold design not
only strengthens the hardness of the housing but also lessens the internal stress, which makes
the corded lamps stronger in impacting resistance and more durable in life span.
1.7 Super waterproof
The corded cap lamps are super waterproof which makes it pass the IP68 approval. Since it is
with well-designed with waterproof head lamp globe, battery box, button switch and stainless
steel metal parts, which enable it to work normally under harsh working conditions.
1.8 Environmentally-friendly
The corded cap lamps are designed in accordance with RoHS, which is strictly followed during
the whole process, from material selection to production craft design.
1.9 Longer life span
The corded cap lamps can work more than 13 hours after fully charged. Its main light source has
a life span of more than 100000h. Li-ion battery can be charged more than 1200 cycles if the
lamp works in reasonable conditions. Therefore, there is no need to replace the light source and
battery during its whole life span.