* A brake motor of frequency conversion and stainless steel are adopted, ensure the optimal flattening effect of album and avoid uncontrollable flattening effect of ordinary pressing machines resulting from their squeezing pressure generally unable to change gradually;
* Transparent window of touching cover can control the state at any time. Open it, the equipment stops immediately shut down and locked, the equipment can't be operated, make sure of the security;
* Pressure time control device to set up the time at any time of 0～4 hours.
