The WP-24 is a 24W wall plug power adapter that powers Meridian Technologies HD-SDI modules. The WP-24 features universal input voltage of 100-240VAC, 50/60 Hz and is 78.6% efficient. When the output gets short-circuited, the input power will reduce itself for self-protection. As soon relieving the short-circuit, the product will recover itself to be normal. The entire product is at high power and at low power dissipation, and meets the standard of Power Supply Energy Star, CEC, ERP, and MEPS Class V Level.