3.5 Inch Video Doorbell 120 Degree Wide-angle Camera Lens Color:Gray press the "+" 2 seconds

press the "+" 2 seconds

Applicable Scene:Fitness

so it can be used without installing a battery

bike and scooter riders

Application:Party

3.5 Inch Video Doorbell 120 Degree Wide-angle Camera Lens Color:Gray press the "+" 2 secondsDescription: Type: Peephole Doorbell Color: Silver + Black Sensor: 2 Mega CMOS Sensor Screen Size: 3. 5 inch LCD Screen Function: Energy Saving, Low Power Alert Power Supply: 4 x AAA Batteries (Not Included). Indoor Parts Size: About 118 * 63 * 18mm Outdoor Parts Size: About 32 * 32 * 8mm Packing Size: About 150 * 140 * 45mm Door Hole Range: 14 28mm Door Thickness Range: 35 100mm Package Weight: 192g Note: 1. Please confirm the power of the AAA