model no: 830ad item value general transmission frequency ism 2,400~2,483 mhz transmission power 10mw/ce; 2mw/fcc operating frequency 2414mhz;2432mhz;2450mhz;2468mhz unobstructed effective range 100m(min.) modulation mode fm operating temperature -10 ~ +50(degree c) / +14~ +122(degree f) storage temperature -20 ~ +60(degree c) / -4 ~ +140(degree f) operating humidity ≤85%rh camera imaging sensor type cmos picture total pixels pal:628×582 pixels;

　　ntsc: 510×492 pixels horizontal resolution 380 tv lines view angle pal:60°; ntsc:40° minimum illumination 5lux bandwidth 18m li-battery charge time 2 hours li-battery working time 5 hours power supply dc +5v dimensions(w×d×h) 23*66*23 mm weight 32 g receiver lcd screen type 2.5 inches tft-lcd effective pixels 640×240 receiving sensitivity ≤-85dbm video system ntsc/pal color configuration r.g.b.delta li-battery charge time 4 hours li-battery working time 2 hours color configuration r.g.b.delta consumption current 350ma(max.) video recording 2 hours /1g photo saving 4 thousand pictures/1g support format mpeg4, mp3, wma, wav, jpg, txt power supply dc +5v dimensions(w×d×h) 71*24*137 mm weight 125 g