This item has a fast acting linear motor, not the slower ones.

Item No.: TR-01
*Easy APP programming on smart phone ( IOS & Android)
*Energy Savings
*M30 x 1.5 Universal Type Head to body connection 
*LED display
*Easy  installation
*PID Accurate temperature control
*7 days program(from APP only)
*quiet motor
*Zigbee 3.0