90dB loud alarm voice (good quality big horn), keep alarm to notice you or neighbors until the water dry or sensor turn off
High sensitive detectors (only alarm when 3 detectors all touch water, avoid wrong alarm)
IP65 waterproof, will float in deep water
Supply by 9V battery (not include), battery life will be about 12 months for normal use (low quality battery about 6 months, very high frequency alarm or testing, battery life will be shorter)
Put where you need, easy install, small size with beautiful case
