Description :  ENNIO CT3501A11 3.5inch TFT Color Display Wireless Video Intercom Doorbell Door Phone Intercom System  Features :   2.4GHz launch frequency、 Approx 400 meters barrier free remote control distance. 3.5" TFT color display. 0.3Mega pixel camera. Build-in 16 chord melodies. Clear night-viewing、 speaking and unlocking remote controlling etc. Time shown on the indoor monitor. Rechargeable lithium battery through mini use charger. Monitor can take\/save\/view more than 100 photos automatically. Monitor can hang on the wall、 cabinet、 also can be place on the desk、 table. Specifications :   Outdoor camera :   Working rate : 2402~2483.5MHz Transmitting power : 18~23dBM Camera : 1\/4" CMOS Working current : 300mA Standby current : 20~30mA Battery : Rechargeable lithium battery Battery capacity : 1350mah Standby time : 2 month Adapter input : AC100~240V、 50\/60Hz Adapter output : DC5V\/1A Dimensions : 160 x 100 x 30mm  Indoor monitor :  Screen : 3.5 inch TFT LCD Sensitivity : 90dBm Working current : 250mA Standby current : 20-30mA\/3.7V Battery : Rechargeable lithium battery Battery capacity : 1350mah Standby time : 120h Adapter input : AC100~240V、 50\/60Hz Adapter output : DC5V\/1A Dimension : 141 x 85 x 20mm  Working temperature : -20degree- +50degree Working humidity : <85%  Package included :   1 x Outdoor camera 1 x Indoor monitor 1 x AC adapter for outdoor camera (US plug style、 and will ship an adapter according to your country) 1 x AC adapter for indoor monitor (US plug style、 and will ship an adapter according to your country) 2 x Rechargeable battery 2 x USB cable 1 x Package of screws 1 x English user manual  Details pictures :