VP-EEB. The RGL VP-EEB is a surface mounted two button exit device. It has a green dome exit button that can used either momentary or using a standard time delay through a control unit. Additionally, it has a stainless steel emergency exit button which when pressed will open the door for a minimum of three minutes, or more if required. IMPORTANT NOTE: Even when this product is specified for security purposes, in place of traditional Emergency Exit devices, the communal/public doors must be in full compliance with the relevant Building Regulations. They must attain final sign-off by the local Building Control or Approved Inspector as relevant to your location and must comply fully with any fire evacuation procedures.. Surface mount. Green dome button for normal operation. Emergency only button to open the door for a minimum of 3 minutes - self resetting. Contacts: Double pole NONC