Hikvision (DS-KIS204T ) Villa Analog Kit - Silver - Including DS-KB2411T-IM and DS-KH2220-S, 5-meter 4-wire cable - 1/4" CMOS Camera (960 x 576) - Built-in Omnidirectional Microphone - Built-in Loudspeaker - Noise Suppression and Echo Cancellation - Photosensitive IR Supplement, IR Range: 2 Meters - 1x Four-Wire Interface (1-ch Video Input, 1-ch Audio Input/Output, 1-ch Power Supply, 1-ch Grounding) - 1x Relay Output - Aluminum Alloy - 7-Inch Colorful TFT LCD (800 × 480) Physical Button Operation mode