ACETECH Lighter BT Tracer Unit (Flat Black Variation)

Note that for proper installation, the barrel cannot exceed 12 mm from the foremost end of the thread. Otherwise the barrel will block the infrared sensor of Lighter BT and BB tracers will not be induced Connects the smartphone via Bluetooth, adding the function of speedometer through the AceSoft App Supports red and green tracer BBs Built-in Li-Po battery with a charge time of 2 hours At full charge it can last about 30,000 tracer rounds FCC, CE, ROHS compliant Free App provided both iOS and Android LED power and electricity quantity display