AeroBed, R3111UK, ATTACHMENT BLOWER PUMP ONLY. Can be fitted as a replacement pump, hight From screw to screw centre is 7.5 cm, and length from screw to screw centre is 11cm, provided with Cover but if you replacing it with your old one then you didn't need Cover, just loose the front 4 screws take out the pump and Fit it in , From where you had taken your old one, It is not rechargeable, operated with main Electrical socket, with a Facility of on/off Button and Air adjustment and Deflate System, more likely suitable for Double size Aerobed