Model Number:Health Geari8psazgr3e Product Dimensions:3 x 2 x 1 cm; 50 Grams Item Weight:50 g Delivery information::We cannot deliver certain products outside mainland UK ( Details). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. Specifications: Working Voltage: DC4V 12V(DC4V 4.5V 5V 6V 7.4V 9V 12V) Standby Current: 7-9mA Working Current: 70-130mA Relay Standard: 20A( 14VDC 12A 120VAC 7A) Max Load: 10A (better load is less than 7A) Learning Code: Learning Button to add Transmitter Working Mode: Momentary Toggle adjusted by Jumper Compatible: For computer mainframe Size: Approx. 43 x 30 x 22mm / 1.69 x 1.18 x 0.87inch Remote Size: Approx. 60 x 30 x 12mm / 2.36 x 1.18 x 0.47inch Quantity: 1PC Package Weight: 50G Package Included: 1 x Relay Remote Control Switch 1 x Transmitter (Other items in the picture are not included) Momentary----Press and Hold----ON, Release----OFF Toggle----Press one time----ON. Press it again----OFF GND----Input GND - VCC----Input VCC + NC----Normally Close COM----Common NO----Normally Open Clearing Code: Press the receiver learning button and hold for about 5s until the receiver LED indicator from ON to OFF, it means the code have been cleared. Learning Code: Momentary/Toggle Mode: Press the receiver learning button, the receiver LED indicator flash slowly, it means entering into learning state, press the transmitter button, the receiver LED indicator flash fast for 2 times and then flash slowly, it means learning is successful. Press the learning button again to turn off the LED indicator, it means learning is finished. About this item [High Receive Sensitivity]: The wireless relay transmitter and receiver feature stable performance, making the product easy to use, strongly reliable and enduring [Advantage]: Flexible operation, Small size, high sensitivity, low power consumption [Wireless Control]: Strong signal which can pass through walls, floors and doors, control receiver from any place within a reliable distance [Widely used]: Wide range of applications from simple domestic remote control to autonomous control, such as auto door, window, lifting equipment, entrance access, etc [Main Application]: Perfect wireless relay remote control for computer mainframe [High Receive Sensitivity] [Advantage] [Wireless Control] [Widely used] [Main Application]