Takes German infrared sensor, detection distance o.5 meters, when the product bowl lid is closed, when the pet enters the detection area, the bowl lid opens, the pet is in the detection area of the bowl lid opens permanently, the pet leaves the detection area and closes the bowl lid within 1 minute. Charging time H, normal usage 5 days or more, charging with 5V1A current charge protection: overcurrent overcharge protection, battery 1R65o-only, capacity 2oooHAH Product size: 210 * 170 * 92mm