SensaSwitch Low Level Alarm with Water Sensor Set, Fixed Volume Bird Beep Alarm, White Plastic, Model-LLA

Completely safe, uses transformer supply for foolproof insulation
Completely maintenance free water sensors, no periodic cleaning needed
75-85 decibel tested musical sound (no voice), as allowed under noise control rules
Easy to install, with basic know-how and tools
One year warranty by manufacturer, from date of invoice
Best in class after sale service and support, voice/whatsapp/website