Alarm box in plastic housing. Front side with touch buttons and LED indicators to monitor the operation and the fill level of the connected sensors. Optical and acoustic main alarm starting when containers are full and stopping as soon as an empty container is confirmed. The acoustic Alarm can be deactivated for 5 minutes. Available as 1 channel and 2 channel version, suitable for b.safe Waste Caps LC / System Waste Caps LC with main alarm, DLC version for b.safe Waste Caps DLC / System Waste Caps DLC with pre and main alarm.&nbsp Please note for the 2 channel version R 659-02: If only 1 channel is used, a Blind Plug (cat.-no. R 642-10, not included in the scope of delivery) must be connected to the 2nd sensor input to prevent a permanent alarm. Including power supply (input: AC 100-240 V/50-60 Hz, 0,5 A, output: 24 V DC, 0,5 A) with plugs for EU, Australia, USA, Japan and UK.