Escape room pressure prop under pressure to open lock by YOPOOD $89.00 1 sensor - $89.00 2 sensors - $119.00 3 sensors - $149.00 4 sensors - $179.00 1 sensor 2 sensors 3 sensors 4 sensors Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Product Name:Pressure propBrief Introduction:When the sensor is under pressure,then the 12V magetic lock will open.