This product can provide electronic invoices18" 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.1. Contains sensor: automatically lights up when lifted, automatically turns off when put down, saves power, intelligent and convenient operation.2. Battery life: flashing for about 10 hours, long-brightness for about 5 hours3. High-brightness LED lamp beads, 52 high-brightness lamp beads4. 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 time5. Charging port, for handheld parking signs, battery-powered, Extra USB port, can be used as an emergency mobile power supply6. Battery: 1 3.7v 2000mAh lithium battery7. Reflective film: double-sided reflective film8. Independent switch: a separate switch for each side, and separate Control of each side function9. Function: flash-always on-off10. Charger: includes a charger + a car charger