Night Vision Googles 3D HD 1080P Infrared Binoculars Head Mounted 3.7V 2000mAh
W hen the infrared function is turned on, it can be used continuously for about 5 hours, and when the infrared function is turned off, it can be used for up to 10 hours. Battery: Built in 3.7V 2000mAh lithium battery.