Nedis ALRMMW20WT Zoemer Bewegingsdetector Home Security 8 Ringtones Seint Met Licht En Geluid? Battery operated (6x AA, not included) for maximum flexibility in placement ? Low power usage of less than 300 uA to last up to a year on batteries ? Adjustable sound volume up to 85 dB to fit to each situation ? Wide detection range to notify you on each visitor ? Wireless communication on 433 MHz over a distance of over 80 meters Antenna gain: 3 dBi Bedrijfstemperatuur: 0 35 C Detectiebereik: 6 m Detectiehoek: 90 Draadloze technologie: 433 MHz