18" LED Stop/Slow paddle with rechargeable battery and charger included. Increase user and pedestrian safety by using our signs to stop traffic. A must have for construction, flaggers and all traffic control. Contains sensor: automatically lights up when lifted, automatically turns off when put down, saves power, intelligent and convenient operation.Durable:In addition to long-lasting LED bulbs, Sign faces composed of Engineer Grade Reflective Material, Heavy-duty aluminum signs are tough and durable. Battery life: flashing for about 10 hours, long-brightness for about 5 hours High-brightness LED lamp beads, 52 high-brightness lamp beads Convenient battery replacement: just rotate the handle battery box, pull out or insert to replace the battery box, you can quickly replace the battery and extend the use timeCharging port, for handheld parking signs, battery-poweredExtra USB port, can be used as an emergency mobile power supply Battery: 1 3.7v 2000mAh lithium battery Reflective film: double-sided reflective film Independent switch: a separate switch for each side, and separate Control of each side function Function: flash-always on-off Charger: includes a charger + a car chargerThis product can provide electronic invoices