ThruNite TN4A LED Flashlight Powered by 4 AA batteries The latest CREE XPL-V6 LED gives great light efficiency and makes output up to 1150 lumens. The economical and readily available AA battery makes TN4A a better choice for you to use everywhere. Ultra clear tempered glass lens with anti-reflective coating; and durable resistance and waterproof materials for use in extreme conditions. Adopts ITC (Intelligent Temperature Control) technology to effectively prevent the TN4A from overheating and thus extend its lifespan. Advanced electronic switch with low voltage indication for silent operation. Adopts ITC (Intelligent Temperature Control) technology to effectively prevent the TN4A from overheating and thus extend its lifespan. Advanced electronic switch with low voltage indication for silent operation.