Feature: 1. Built in Lithium Battery: Built in 300mAh lithium battery which can provide 4 hours of use time when the battery is fully charged, and also has a low battery reminder function. 2. Advanced Technology: Using high power UV LED technology, active detection and induction technology, equipped with 9 mobile phone level flash light sources to better meet your experience. 3. Wide Range of Applications: The tracer can be adapted to 11mm CCW and 14mm CW. Can be used for movie props, simulating fire effects, and recharging fluorescent bombs. 4. High Performance: Built in motion sensor can maintain up to 35 RPS (2100 RPM) tracking. Automatic wake up one button control, the flash function will automatically wake up when it senses the launch. 5. High Quality Material: Heavy duty tracer lighter unit is made of premium aluminum alloy material, which is solid and wear resistant, reliable and durable, has a long service life. Specification: Item Type: Tracer Material: Aluminum Alloy Uses: Movie props, simulated fire effects and fluorescent bomb charging Product Size: Approx. 8x3.5cm/3.1x1.4in Applicable Threads: 11mm CCW and 14mm CW Power Supply Mode: Built in 1PC 300mAh lithium battery. Package List: 1 x Flasher1 x USB Cable1 x Adapter1 x Storage Box1 x Manual