WATER WITCH AUTOMATIC BILGE PUMP SWITCH 15AMP 12V An electronic bilge switch renowned for its reliability and robustness with a standby current draw of only 0.004 Amp. The unit incorporates a 12 second delay on start up, and a 20 second delay on shutdown, which avoids hunting due to seaway or mooring motion. There are alternative cable entries from the back, permitting the three supplied 70cms cables to be taken up or down. Overall dimensions are 91 x 40 x 36mm