Features: - This is a learning code wireless remote control switch (receiver) that easily pairs with the transmitter (remote control). - Strong signal transmission capable of passing through walls, floors, and doors, allowing reliable control within an effective range. - Compact size with stable and reliable performance, featuring high receiving sensitivity. - Suitable for a wide range of applications such as automatic doors, windows, lifting equipment, and access control systems. - Ideal wireless relay remote control solution for computer mainframes. Specifications: - Working Voltage: DC4V–12V (including 4.5V, 5V, 6V, 7.4V, 9V, 12V) - Standby Current: 7–9mA - Working Current: 70–130mA - Relay Rating: 20A (14VDC), 12A (120VAC), 7A - Maximum Load: 10A (recommended load under 7A) - Learning Code: Equipped with a learning button to add transmitter - Working Mode: Momentary or Toggle mode, selectable via jumper - Compatible with computer mainframes - Receiver Dimensions: Approx. 43 x 30 x 22mm (1.69 x 1.18 x 0.87 inches) - Remote Dimensions: Approx. 60 x 30 x 12mm (2.36 x 1.18 x 0.47 inches) - Quantity: 1 piece - Package Weight: 50g - Package Included: 1 x Relay Remote Control Switch, 1 x Transmitter (other items in the image not included) Operation Modes: - Momentary: Press and hold to turn ON, release to turn OFF - Toggle: Press once to turn ON, press again to turn OFF Terminal Definitions: - GND: Input GND (-) - VCC: Input VCC (+) - NC: Normally Closed - COM: Common - NO: Normally Open Clearing Code: Press and hold the receiver’s learning button for approximately 5 seconds until the LED changes from ON to OFF, indicating the code has been cleared. Learning Code (Momentary/Toggle Mode): Press the receiver’s learning button; the LED will flash slowly, indicating entry into learning mode. Press the transmitter button; the receiver LED will flash rapidly twice, then return to slow flashing, indicating successful pairing. Press the learning button again to turn off the LED, completing the learning process. Note: The new or old version of this product may be shipped randomly. Please ensure you are comfortable with this before placing your order.