Vendeur: pw928gts (49.042) 99.9%, Lieu où se trouve: Bury St. Edmunds, Lieu de livraison: Worldwide, Numéro de l'objet: 170923318132 Brand: pw, MPN: Does Not Apply, Les Détails: This alarm will not work if you are using very pure water, deionised or distilled for example. This alarm sounds a continuous warning when the water level has dropped below the units sensor wires.A PP3 battery is needed (not supplied).The alarm consumes only 3.5mA when the alarm sounds and 9uA when not.Taking a standard 9V PP3 Alkaline battery as an example (565mAh), In terms of battery life:-7 Years life if never triggered.6 - 7 Days with the alarm sounding non stop. The unit has 1 Metre long sensor wire fitted as standard but longer wires can be added. Almost any type of wire can be used and a length of 100 Metres has been used in testing. We can supply a unit with the exact length you need at a small extra cost. --> Sales@PW-Electronics.co.uk Pay instantly with your debit or credit card through PayPal.