Wireless doorbell and chime with indicator.

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: < 20 mA "•†Transmitting power: > 10 mW "†Technical data: "•†Mounting type: Hanging "•†Reception sensitivity: < 110 dBm "•†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