Detector received in New Zealand, On the negative side - Shipping very slow and tracking fairly useless. On the plus side - Matches description very accurately, was received undamaged, included a page of instructions in English which were quite thorough. Was able to install into my RV with little difficultly as only 2 wires (not even sure if the polarity is important but followed cable colour coding) running on a 12 volt system. Tested with lighter to release gas and alarm sounded, quite loud certainly enough to wake you but not ear splitting. Did not test the valve closure feature as RV not fitted for this. Identical detector sold in NZ at 4 to 5 times price, so if you can afford to wait would recommend.
nice item not tested