Takes already alarm at a low water quantity of just 30 ml, from
Alarm sounds for 24 hours (depending on battery life)
Piercing, loud alarm 74 dB (a)
Can be reused many times.
Replaceable block battery (9 V) included but may have expired.
Spec
Part Number RWD1SE
Item Weight 159 g
Package Dimensions 18 x 14.6 x 3.8 cm
Alarm Dimensions 8cm x 2cm
Batteries: 1 batteries required. (included)
Item model number RWD1SE
Item Package Quantity 1
Batteries included? Yes
Batteries Required? Yes
Battery Cell Type Alkaline