> Power supply: AC220V/50Hz 4.5W> Sensitivity: 3 levels adjustable (low, medium, high)> Reaction time: 35ms> Working frequency: One level adjustable> Size: 112x73x38mm> Delay function: Three-stage delay adjustable (1st gear 0.7s)
>High temperature and aging resistance>Corrosion and acid and alkali resistance>The groove width is generally 3-5mm>40-50mm depth