Point d'origine
Guangdong, China
Support personnalisé
OEM, ODM, Logiciel réingénierie
Distance visuelle efficace
3Meters-infinity
Button
Backlight silicone keys
Display Screen
3Inch IPS Display
Infrared light
3W 850nm strong infrared spotlight, 3-level infrared adjustment
Viewing distance in weak light
3M to infinity
Power supply
2500MAH Lithium rechargeable battery