Nakabayashi Co., Ltd. ReeveX Division Expansion Warning/Alarm Display Receiving Chime

Manufacturer part number: "XP4000" Size and weight Weight: Approx. 210g (excluding batteries) comment Additional warning/alarm display chime Standard details Power supply: DC6V 3 x AA alkaline batteries (sold separately) or dedicated AC adapter (sold separately) Battery life: Approximately 6 months (10 transmissions per day, at 20°C) ○Battery low indication: Transmitter low battery light flashes green, receiver low battery light flashes red Radio wave reach: Outdoors up to 180m / Indoors up to 90m External dimensions: W87 x H135 x D54mm