【Technical specifications】Product size: 105 x 105 x 64 mm, shatter-proof PC lens and ABS housing. DC 5 V charging voltage, 2.4 G working frequency, 20 meters radio reception range, IP65 waterproof, 3 hours charging time, provides 10 hours of working time. 【Easy to use】Each light has a strong magnetic base with scratch-resistant rubber suction cup on the back, they will hold firmly on your vehicle, turn on the switch on the light, then plug the 7-pin plug with transmitter into the vehicle socket will be ready to use. Packed in a cabin box, easy to store.