| Power source | 
Power supplied by the main monitor | 
| Dimensions (H x W x D) | 
Approx. 152 x 102 x 35.5 (21.5 *) mm *Excluding sections embedded into the wall. | 
| Mass (weight) | 
Approx. 225 g | 
| Operating environment | 
Ambient temperature: Approx. -15C to +55C, Relative humidity (non-condensing): up to 90 % | 
| Talking method | 
Hands-free | 
| Viewing angle | 
Horizontally: Approx. 85, Vertically: Approx. 54 | 
| Image sensor/ Camera (pixel) | 
1/3 inch CMOS sensor (Approx. 1.3 M pixels) | 
| Minimum illuminance required | 
1 lx (within approx. 50 cm from the camera lens) | 
| Lighting method | 
LED lights | 
| IP rating (INGRESS PROTECTION) | 
IP44 *Water resistance is only assured if the door station is installed correctly according to the instructions in the Installation Guide, and appropriate water protection measures are taken. | 
| Installation method | 
Surface mount (mounting base supplied), Flush mount (mount box sold separately) | 
| External material | 
Flame retardant resin |