7. Other information167. Other informationSpecifications7.1 SpecificationsMain monitor (VL-MW274)Doorphone (VL-V522L)Sub monitor (VL-W617) 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. Charger7.2 Trademarks and registeredtrademarksR The software of this product is based in part on thework of the Independent JPEG Group.R All other trademarks identified herein are theproperty of their respective owners.Power source 220-240 V AC, 50/60 HzPowerconsumptionStandby: 1.9 WDuring operation: 10 WDimensions(mm) (height ×width × depth)Approx. 158×243×29.5(excluding protruding sections)Mass (weight) R VL-MW274BX:approx. 825 gR VL-MW274SX:approx. 850 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)Frequencyrange2.4 GHz to 2.48 GHzRF transmissionpower100 mW (max.)Power source Power supplied by the mainmonitorDimensions(mm) (height ×width × depth)Approx. 131×99×36.5(excluding protruding sections)Mass (weight) Approx. 200 gOperatingenvironmentAmbient temperature: approx. -15 °C to +55 °CRelative humidity (non-condensing): up to 90 %Viewing angle Horizontally: approx. 87°Vertically: approx. 66°InstallationmethodWall mount (mounting basesupplied)Minimumilluminancerequired1 lx(within approx. 50 cm from thecamera lens)Lighting method LED lightsPower source Ni-MH battery (3.6 V DC / 650mAh)Dimensions(mm) (height ×width × depth)Approx. 157×52×35(excluding protruding sections)Mass (weight) Approx. 175 g (including thebatteries)OperatingenvironmentAmbient temperature: approx.0 °C to +40 °CRelative humidity(non-condensing): up to 90 %Display Approx. 4.6 cm (1.8 inches,colour display)Frequencyrange2.4 GHz – 2.48 GHzRF transmissionpower100 mW (max.)Power source AC adaptor (PQLV219)6.5 V DC, 0.5 APowerconsumptionStandby: 0.07 W(when the sub monitor is notplaced in the charger)During charging: 1.8 WDimensions(mm) (height ×width × depth)Approx. 115×76×90 (using withthe stand)(excluding protruding sections)Approx. 105×76×48 (usingwithout the stand)(excluding protruding sections)Mass (weight) Approx. 115 g (including thestand)Approx. 180 g (including the ACadaptor)OperatingenvironmentAmbient temperature: approx.0 °C to +40 °CRelative humidity (non-condensing): up to 90 %