Product Name: Linear Wireless Remote Control SwitchRemote Control Battery: Two CR2016 Button Cell Batteries Connected in SeriesModel: GLK-DC-1Remote Control Frequency: 433MHzOperating Voltage: DC 12V, 24V, 36V, 48V, 60V, 72VRemote Control Range: 100 meters (measured in an open, unobstructed environment)Features:01. Wide Voltage Design: Suitable for DC 12V, 24V, 36V, 48V, 60V, 72V.02. Solid Materials: Uses a switching power supply for voltage reduction, which is more stable than RC step-down.03. Easy Learning: Open the cover and start learning with multiple learning modes: Inching, self-locking, and interlocking.04. Safe and Convenient: Easy wiring without removing the case, with a protective cover.05. Sensitive Signal, Independent Learning Codes: Multiple learning codes can be used simultaneously without interference, and the signal can penetrate walls. Operating Modes:1. Self-locking: Controlled by a single button, press once to turn on, then press again to turn off. This is called self-locking.2. Interlocking: When the remote control has two buttons, one button turns on, and the other turns off. This is called interlocking.3. Inching: Controlled by a single button, press and hold the remote button to activate the relay; release the button to deactivate the relay. This is called inching.Package Contents: 1*Black.Note: 1. Due to different monitors and lighting effects, the actual color may vary slightly from the image.2. Due to manual measurement, please allow 1-3 cm deviation.