(7inches LCD Touch Screen & Two-way Intercom & Hands-free Monitor & Night-vision & Waterproof& 16 Kinds of Rings for Selection ) Wireless 7'' Phone Intercom Video Door Doorbell Home Security Ir Camera Monitor 2.4GHz digital frequency ensures strong and stable signal transmission; Camera with 6 IR lights for Night vision; Indoor monitor can save about 100 photos; 7" TFT color display and 0.3Mega pixel camera; Lithium battery is replaceable and rechargeable;