Sensing range of approximately 1 meter for effective detection of vehicle movement. Operates in a wide temperature range, from -10°C to 70°C during discharging, ensuring functionality in environments. Solar charging capability with an approximate charging time of 6 hours, depending on sunlight intensity, eliminating the need for manual charging. Automatic backlight activation in low-light conditions when movement is detected, enhancing visibility for parked vehicles. Power switch located at the bottom for easy activation; requires a 90-degree clockwise rotation to power on the device. This solar-powered automatic charging device is designed for easy installation and operation. it receives adequate sunlight exposure for optimal performance. The radar sensor remains in standby mode in well-lit environments, conserving while providing functionality when needed. Color: As Shown Material: Plastic+Metal Package Contents: 1*Car Parking Number Plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.