Model Number: MT400-W4 Brand Name: Eoutil Key Specifications/Special Features: Water Leak Detector Sensor Alarm - Home Security System for Basement, Kitchen and BathroomINSTALLING THE BATTERYInsert coin between top and bottom halves of case. Turn coin to separate.Connect 9-V battery to clip. Position battery according to the diagram inside compartment close case.TESTINGWet your finger and touch the two contacts, A loud alarm will sound.
Alarm stop when two contacts keep dry.

PLACEMENT
Place Leak Alarm facing up, or on its right side, metal sensing contacts down, otherwise Leak Alarm will not function properly with contacts up.

FLOODING
A loud alarm will sound ceaselessly when touching water.
Alarm will sound for life of battery, up to 72 hours.

LOW VOLTAGE
A loud alarm will sound and LED light is activated about every three seconds when battery gets low.