ASM-044 Manual Tap A control box is a

A control box is a square box which sits or mounted underneath the sink as part of a typical sensor electronic tap installation process

while the DC (batteries) remains dormant

and represents 2-5cm increment

Low power indicator

ASM-044 Manual Tap A control box is aASM 044 Autotaps sensor module. This sensor eye module is only compatible with ATT 0044 sensor tap NOTE: This infra red sensor is only compatible with 'Autotaps' branded products (listed above). It can only be sold to customers who have previously bought sensor taps from Autotaps. This sensor component will not work if your sensor tap was bought from another manufacturer, or is of another brand. Any order received from non customers will be cancelled