Grandstream Ac Adapter Power Supply Cord for Grandstream VoIP Gateways. This is NOT an original OEM power supply but matches or exceeds the power requirement specifications UL certified for safe use in homes and offices High Quality and outperforms other alternative replacements This power supply has a inline cylinder ferrite core noise filter to reduce electromagnetic interference Works with all Grandstream 12v Gateways, IP Phones Series: GXV, GXE, GXW Used for Grandstream 12v Gateways and Video IP Phones GXW4004, GXW4008, GXW4104, GXW4108 FXO Gateways GXV3000, GXV3140 Video Phones GXE5024, GXE5028 IP IPBX Input: 100-240V ~50/60hZ 0.5A Max Output: 12VDC 1A, 1.25A, 1.5A Length: 4 Feet 14 Day Money Back Returns MINUS $3 Restocking Fee Per Item. Buyer pays return shipping. A $3 restocking fee is going to be charged for returns of Non-defective items. Damaged or defective merchandise should be reported within 14 days after you received it, otherwise a $3 restocking fee will be applied. Seller reserves the right of asking for the proof of damage. Photo's of damaged items are required so they can be forwarded to the shipping company. Damaged or defective merchandise will be refunded or replaced at Seller's discretion. Any buyer suspected of fraud or scam will reported.