| Model composition | 
Main Monitor(VL-MV754) x1, Door Station(VL-V524) x1, Power Supply Unit (VL-PS241) x 1 | 
| Maximum Connectable Units | 
Door Station | 
Up to 2 (1 included with VL-SV74) | 
| Monitor | 
Up to 3 extension monitors (not including the main monitor) | 
| Wireless Monitor | 
Wireless sub monitors NOT supported. | 
| Wireless Repeater | 
Up to 2 (sold separately) | 
| Connectable Devices | 
E-lock Release Support | 
Up to 2 (user supplied) | 
| PBX | 
Only Panasonic PBX | 
| Convenience | 
Picture Recording | 
Internal memory: Up to 50 visitors/sessions (up to 4 still images per visitor/session) | 
| Night Vision | 
Yes (LED lights) | 
| Touch Panel / Pan & Tilt | 
- / - | 
| Voice Changer | 
Yes | 
| Intercom call | 
Yes (between main monitor and extension monitor) | 
| Monitor | 
Power source | 
Power supply unit (VL-PS241) 24 V DC, 0.6 A | 
| Power consumption | 
Standby:1.9 W, Operating:12.7 W *Measurement conditions: Monitor (1 pc.) with Door Station VL-V524 (1 pc.) is connected to VL-PS241 | 
| Dimensions (H x W x D) | 
Approx. 158 x 201 x 25 mm | 
| Mass (weight) | 
Main monitor: 605 g Power supply unit: 215 g (VL-PS241) | 
| Operating environment | 
Ambient temperature: Approx. 0 to +40C, Relative humidity (non-condensing): up to 90 % | 
| Display size | 
7-inch wide colour / WVGA (800 x 480 pixels)(Touch sensor keys) | 
| Display language | 
English, Arabic | 
| Talking method | 
Hands-free | 
| Installation method | 
Wall mount (mounting bracket supplied) | 
| External material | 
Flame retardant ABS resin | 
| Door Station | 
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 doorstation 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 |