LED mining Light/LED coal mining Light/LED mine lamp: 1+6 LED; waterproof; explosion-proof.high quality Wholesale Price ( as below) ... be more than 20 hours.Explosion proof, water proof, dust proof, moisture proof and impact proof.LIGHT HAS BEEN CHARGE AND READY ... product is suitable for all kinds of application, like coal mining, marine using, exploration working, flood prevention, tapping rubber ...