Description :   3.5inch TFT Color Display Wireless Video Doorbell&Phone Intercom System  This is another one stylish and hot sell video door bell by SYSD company. "Wireless"、 provide you a more convenient life.   Features :   2.4GHz launch frequency、 Approx 300 meters barrier free remote control distance. With micro-processing technology、 auto-remote control、 excellent performance and high reliability.  3.5" TFT color display. 0.3Mega pixel camera. Clear night-viewing、 24 hours monitoring、 calling、 speaking and unlocking remote controlling etc.    Time shown on the indoor monitor. Rechargeable lithium battery through mini 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. Build-in 16 chord melodies for your selection. Can freely choose.    Specifications :   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: 14 * 8.5 * 2mm       Outdoor camera :  Working rate: 2402~2483.5MHz  Transmitting power: 16~20dBM  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: 16.5 * 11 * 6.5mm   Working temperature: -20degree- +50degree Working humidity: less than 85%        Package included :  1 x Outdoor camera 1 x Indoor monitor 1 x AC adapter for outdoor camera 1 x AC adapter for indoor monitor 1 x USB cable 2 x Rechargeable battery 1 x Package of screws 1 x User manual in English      The picture to shows how easy to install ↓ Follow the user manual or consult someone who know it to help、 or find us at after-sales consulting service are OK.