7. Other information157. Other informationOther information7.1 SpecificationsMain monitor (VL-MWD273)Power supply unit (VL-PS240/VL-PS241) (indooruse only)Doorphone (VL-V554)*1 Water resistance is only assured if the doorphone isinstalled correctly according to the instructions in theInstallation Guide, and appropriate water protectionmeasures are taken.Sub monitor (VL-WD613) Main body*1 When used fully charged in an operatingtemperature of 20 °C.*2 When the operating temperature is 20 °C. Thecharging time may increase when the operatingtemperature is lower than this.Power source Power supply unit (VL-PS240/VL-PS241): 24 V DC, 0.5 APowerconsumptionStandby: 1.8 WDuring operation: 11.6 WDimensions(mm) (height ×width × depth)Approx. 158×243×29.5(excluding protruding sections)Mass (weight) Approx. 710 gOperatingenvironmentAmbient temperature: approx.0 °C to +40 °CRelative humidity (non-condensing): up to 90 %Display Approx. 17.8 cm (7.0 incheswide colour display)Talking method Hands-freeInstallationmethodWall mount (mounting bracketsupplied)Frequencyrange1.88 GHz to 1.90 GHzRF transmissionpower250 mW (max.)Power source Input: 220-240 V AC, 0.2 A,50/60 HzOutput: 24 V DC, 0.6 ADimensions(mm) (height ×width × depth)VL-PS240: Approx. 116×100×54VL-PS241: Approx. 104×100×54(excluding protruding sections)Mass (weight) VL-PS240: Approx. 230 gVL-PS241: Approx. 215 gOperatingenvironmentAmbient temperature: approx.0 °C to +40 °CRelative humidity (non-condensing): up to 90 %InstallationmethodAttach to DIN railPower source Power supplied by the mainmonitor20 V DC, 0.23 ADimensions(mm) (height ×width × depth)Approx. 169×118×30 (excludingprotruding sections)Mass (weight) Approx. 405 gOperatingenvironmentAmbient temperature: approx.-15°C to +55 °CRelative humidity (non-condensing): up to 90 %Viewing angle Horizontally: approx. 170°Vertically: approx. 115°InstallationmethodSurface mount (mounting basesupplied)Minimumilluminancerequired1 lx(within approx. 50 cm from thecamera lens)Lighting method LED lightsIP rating IP54*1IK rating Compliant with IK07Power source Rechargeable Ni-MH (AAA × 2)Dimensions(mm) (height ×width × depth)Approx. 173×52×30(excluding protruding sections)Mass (weight) Approx. 160 g (including thebatteries)OperatingenvironmentAmbient temperature: approx.0 °C to +40 °CRelative humidity (non-condensing): up to 90 %Display Approx. 5.6 cm (2.2 inches,colour display)Frequencyrange1.88 GHz to 1.90 GHzRF transmissionpower250 mW (max.)Talking method Hands-freeOperating time *1 Standby use: approx. 80 hoursCharging time *2 Approx. 8 hoursTransmittingrangeApprox. 100 m (line-of-sightdistance from the main monitor)