Description:
ONLY for INDOOR USE
Widely used in Industrial automation， LED display， communications， etc.
Protection: Shortage Protection， Overload Protection， Over Voltage Protection.
Size:19.4cm X 11cm X 5cm
Weight: 734g
Input Voltage: 110V\/220V !#!amp!*!plusmn;15% 50\/60Hz
Output Voltage: 12V DC
Output Current: 0~20.0A
Shell Material: Metal case \/ Aluminum base.
Working Temperature: 0\u2103~40\u2103
Storage Temperature: -20\u2103~60\u2103
Ambient Humidity: 0~95% Non-Condensation
This Power Supply Unit !#!amp!*!quot;DOES NOT!#!amp!*!quot; come with installation instruction， wiring cable， on\/off switch， or screws.
Professional installation of qualified electrician is highly recommended.

How to calculate Support max LED Strip Length:
Assumption: Your LED Strip 60LEDs\/m， and each LED 0.2W， then calculate max LED Strip Length: 0.2W\/LED!#!amp!*!times;60LEDs\/m=12W\/m， 240W(this listing)!#!amp!*!divide;12W\/m=20m， So， Support the LED Strip(60LEDs\/m， 0.2W\/LED) Length (Max)=20M.

Package Included:
1 x 12V 20A 240W Switching Power Supply