WIRELESS DOOR BELL

Product basic info: "•†Instruction manual languages: Dutch, English, French, German, Polish, Portuguese, Spanish "•†Primary colours: Black "•†Additional colours: White "•†Depth unit: 3 cm "•†Height unit: 10.5 cm "•†Width unit: 10.5 cm "•†Weight unit: 147 g "†Physical properties: "•†Number of batteries transmitter: 1 "•†Number of batteries receiver: 2 "•†Number of chimes: 36 "•†Depth doorbell button: 3 cm "•†Height doorbell button: 10 mm "•†Width doorbell button: 10 mm "†Electrical data: "•†Quiescent current receiver: < 0 mA "•†Quiescent current transmitter: < 0 mA "•†Transmitting curent: < 15 mA "•†Transmitting power: <= 10 mW "†Technical data: "•†Mounting type: Free standing, Hanging "•†Auto learning: No "•†Kinetic push button: No "•†Wireless: No "†Environmental data: "•†IP rating: IP20 "•†Sound level: >= 80 dB "•†Usage location: Indoor only "•†Operating range: 300 m "†IT connections: "•†Wireless frequency: 433.92 MHz "†Power supply: "•†Batteries included: No "•†Voltage rating range: 3 V "•†Number of batteries: 3 "•†Battery operated: Yes "•†Battery voltage rating: 3 V "•†Batteries included transmitter: No "•†Batteries included receiver: No "•†Battery composition: Alkaline, Lithium "•†Battery IEC size: AA (LR6, R6, FR6, HR6, KR6, ZR6 ,15A, 15D, 15LF, 1.2H2, 1.2K2, UM3, Pencil, MN1500, MX1500, MV1500), CR2032 (5004LC) "•†Battery type transmitter: CR2032 (5004LC) "•†Battery type receiver: AA (LR6, R6, FR6, HR6, KR6, ZR6 ,15A, 15D, 15LF, 1.2H2, 1.2K2, UM3, Pencil, MN1500, MX1500, MV1500) "†Included: "•†LED indicator: No