� weight:38g � 2 the shutter: high-speed light valve LCD � Working current: 5mA � LCD refresh frequency: 120HZ � Contrast: 1000:1 � Working current: 5MA � standby current: 1MA � Continuous working hours: 10-15 hours � Working voltage: 10v ~ 12 v, � 10 battery capacity: 80mAh ~ 210mAh; � work hours: 90 hours ~ 235 hours; � working temperature: 0 ~ 50 �; � 13 program switching frequency: 120Hz ~ 240Hz; � 14.Adjustable Infrared receive frequency � 15. Response time in the conditions of indoor temperature: 1.5 milliseconds