Operating Voltage : DC 18V normal speed DC 12V ending speed Motor Output : 30 W Motor Rotation Speed : 1800 RPM at 12V Normal Speed : 25cm/sec linear Ending Speed : 12cm/sec linear Back-up Battery : 12 volt. 7AH Safety Clutch : electric current sensing using Hi- -Amp Auto-Reverse Gear Box : oil bath worm type reducer FULL SET COME WITH : - Dc sliding motor - Pcb Box - Sliding panel - Transformer 55VA - Receiver and 3 Remote control - Gear rack (4 pcs = 4 meter) NO BACKUP BATTERY Installation price:  - Installation fee- RM500 (within Klang Valley only)