Visitor Chime, Suitable for Shops and Offices, Sensing Dista

Motion activated entry chime with ding-dong tone (activate only in daylight)Operated by DC 4.50 with a DC jack for external 110 or 230V adapterSensing distance up to four metersWith high, low volumes controlWall mounted (fixed hole and with extendable wall mounted clip) or table topPlace near the door of shop to announce the entering or leaving of any visitorsSuitable for shops, offices and any outletsProduct size (L x W x H): 98 x 69 x 40mm