1000ft Long Range Door IP44 Waterproof Electric, 1 Push Button Door Bell Camera With Screen Wireless Door Bell With SystemProducts DescriptionProduct NameWireless WiFi DoorbellModelA10Receiving Distance300 meters in open areaRingtones60 pcsVolume5 level 0-110dbWiFi SupportNoVoltageReceiver support AC 110V-220V -240VTransmitter Battery12V23A Battery*1pcs (not include)Product SizeTransmitter Size: 75*51*20mmReceiver Size: 95*65*24mm