video intercom hikvision ds-kh2220: screen 7" tft, hands free, 2 channels (1 calling panel and 1 video camera), mechanical buttons, intercom, do not disturb mode, dc 12 v. color: white. video doorbell hikvision ds-kb2421-im: high resolution 720х576, angle of 67°, ir backlighting with ligth sensor, overhead mounting, gray body color, -30°c ~ +70°c.
| device type | video intercom kit |
| screen diagonal | 7" |
| video standard | cvbs (analogue) |
| conversation with the visitor | speakerphone (hands free) |
| type of instalation | wall, overhead |
| connection type | wired |
| communication type | audio, video |
| screen type | tft |
| screen resolution | 800x480 |
| adjustments | brightness, contrast, screen color, volume |
| control intercom | mechanical buttons |
| wi-fi support | no |
| call to mobile | no |
| number of channels | 2 |
| number of connectable panels | 1 |
| number of connectable cameras | 1 |
| record photo, video | no |
| memory card slot | no |
| lock button | yes |
| doorphone power supply | remote |
| additional features of intercom | intercom |
| operating voltage | 12v dc |
| consumption | up to 5 w |
| dimensions (wхhхd) | 195x132x18 mm; 49x145x26 mm |
| body color | white, grey |
| body material | metal, plastic |
| temperature range | -30...+60°c |
| producing country | china |
| device class | super-economy |