Indoor monitor outdoor speaker TG1-3A

TianGang Electrical International Co.,Ltd specialized in manufacture Video door phone for building in best quality and most competitive price. Welcome to contact me for further information.
Indoor monitor outdoor speaker TG1-3A
1.Monitor+Intercom call+Talk+Unlock
2.B/W and color TFT screen, 4 inch size is available
3.Double ding dong ring or chord are optional
4.Working voltage:DC-13V
5.Working current: ≤500mA
6.Static standy by current: ≤500mA
7.Resolution:420TV line
8.Audio Frequency distortion degree: ≤3%
9.Automatic screen shut-off time:60 seconds
10.Video input:1Vpp/75