Viking RC4, Network Enabled Relay ControllerCondition:* New Surplus Stock, No OEM Packaging. Additional Notes:* Power: 120 Volt AC/12 Volt DC 500ma UL Listed Adapter Provided* Dimensions: 133mm x 89mm x 44mm (5.25″ x 3.5″ x 1.75″)* Shipping Weight: 0.73 kg (1.6 Pound)* Environmental: 0C to 32C (32F to 90F) with 5% to 95% Non-Condensing Humidity* Relay Contact Ratings: 5 Amp @ 30 Volt DC/250 Volt AC* Connections: (1) 12 Position Screw Terminal Block, (1) 6 Position Elevated Screw Terminal Block* LAN Interface: (1) RJ45 10Base-T* Minimum Requirements: Windows XP and Newer, Mac OSX or Newer, Android 2.2 or Newer, iOS4 or Newer (iPhone Requires Chrome), Javascript Enabled Internet BrowserViking Electronics RC4