PLEASE READ - THE RUBBER/PLASTIC PUSH BUTTONS AND KNOBS HAVE BECOME STICKY FOR SOME REASON. NO MATTER HOW MUCH I CLEAN THEM, THE STICKINESS WILL NOT GO AWAY - I HAVE HEARD OF THIS HAPPENING TO OLDER TOOLS AND TOYS - Used and pulled from a working sound/Lighting system - The bottom is missing 1 of it's rubber 'feet' - Nothing major. The SR-8 Relay Pack is an 8-channel relay pack, with a separate Edison plug for each channel and one unswitched socket. Output is 5 amps per channel with a 15- amp maximum. Relay packs are linkable, and are designed to work with the Timer System package Relay pack that works with the SF-9005 timer system Link up to 2 SR-8 packs together to expand your show Includes 1 non-switched (always on) outlet Specifications Input Voltage:100 to 240 VAC, 50/60 Hz (auto-ranging) Weight:2.5 lb (1.3 kg) Size:14 x 3.8 x 1.8 in (356 x 97 x 46 mm) Output:(115 V): 5 A (575 W) per channel, 15 A (1,725 W) max (230 V): 5 A (1,150 W) per channel, 15 A (3,450 W) max