Product basic info Instruction manual languages: Dutch, English, French, German, Polish, Portuguese, Spanish Primary colours: White Additional colours: Green Depth unit: 71.2 mm Height unit: 118 mm Width unit: 55.4 mm Weight unit: 130 g Physical properties Number of batteries transmitter: 1 Number of chimes: 36 Depth doorbell button: 79 mm Height doorbell button: 26 mm Width doorbell button: 37 mm Electrical data Transmitting curent: Transmitting power: > 10 mW Technical data Mounting type: Hanging Reception sensitivity: Auto learning: Yes Kinetic push button: No Wireless: Yes Environmental data IP rating: IP44 Sound level: > 80 dB Usage location: Indoor (receiver) & outdoor (transmitter) Operating range: ± 300 m IT connections Wireless frequency: 433.92 MHz Power supply Voltage rating range: 100-240 V Input frequency rating: 50/60 Hz Battery voltage rating: 3 V Batteries included transmitter: Yes Battery composition: Lithium Battery IEC size: CR2032 (5004LC) Battery type transmitter: CR2032 (5004LC) Included LED indicator: Yes (EN)