1.temperature detectable,three color 2.material:new ABS,chrome 3.water-powered,no battery. ... weight:120gWorking hydraulic pressure:0.1-0.3 MpaProduct features:1.with no battery,there is ... a mini generator with can be driven by low water pressure.2.with three ... similtaneously,which warns you should be careful.3.1/2’’ standard size connection ,easy to ...