High Quality Heavy Duty Transformer Charger Power Supply 120 volt AC to 12 Volt DC adapter 500mA power supply Length = 6 feet Provides low-voltage power to common household products 5.5mm outer (-) negative / 2.1mm inner (+) positive barrel connector Backwards compatible and will work with devices requiring: DC12v 500mA = .5A DC12v 450mA DC12v 400mA = .4A DC12v 350mA DC12v 300mA = .3A DC12v 250mA DC12v 200mA = .2A DC12v 150mA DC12v 100mA =.1A "Be aware that 5A and .5A are different currents, pay attention the decimal figure on your device" Most electronic components come with a 120-volt AC to DC power adapter, but if you lose or accidentally damage the adapter, you need to replace it with a similar one. This 12 Volt Power Supply is an all-purpose adapter that fits almost any common household product requiring 12V DC power, up to 500mA (0.5A), and a 2.1mm barrel plug. It can be used on surveillance cameras, network routers, door strikes, and more. 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 $5 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 Bonanza and 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.