Original New ASUS Ac Power Adapter Charger 12V 3A 4.8mm-1.7mm
Input: AC 100V - 240V 50-60Hz
Output: DC 12V 3A 36W
Connecter size: 4.8mm/1.7mm (ref to the picture)

Part No.:
ADP-36EH C, R33030

Models:
ASUS Eee PC Series 900, 900A, 900HA, 900HD, 900SD, 901, 904HA, 1000, 1000H, 1000HD, 1002HA, 1000XP, S101,etc.
ASUS R2 Series R2E, R2H, R2Hv
ASUS Eee Videophone AiGuru SV1
All LCD Monitors with input power of 12V, 3A, 36W.