1.Independent strong light 3W flashlight, with three modes of long light SOS and burst flashing;2.Independent ultrasonic button function;3.Independent Beep sound button function;4.The actual environment can reach 10 meters;5.3 channel switching; (1 fixed frequency 2 gap frequency conversion 3 random frequency conversion)6.Configure power display led;7.Configure ultrasonic working indicator;8.Large battery 1200Mah, power saving function, long standby time of 140 days, normal use up to 20 days, fast charging in 2 hours;9.The whole machine has CE/ROHS/FCC/UN38.3/MSDS certification;Specification:Color box size: about 175*46*46mm/6.89*1.81*1.81inSingle gross weight (including packaging): about 135gPacking quantity: 100pcs1 carton net weight: about 13.5kgGross weight of 1 box: about 14.2kgCarton size: about 490*370*250mm/19.29*14.57*9.84inPacking List:1*Dog Drive1*Data Cable1*Lanyard1*InstructionNote:Due to the lighting effects and shooting angles, there is color difference in the product, please understand.Due to manual measurement, there is a tolerance in the product size.