Features: Four Way Remote Control Switch, Crystal Oscillator Frequency Locking, Stable And Non Offset, No Wiring, Can Pass Through Walls, Easy To Install; Low Power Consumption, Working Mode Switching, Receiver Switching Different Functions Through Jump Cap Short Circuit; Realize One Panel To Control Multiple Lights, Select A Pc Flame-Retardant Shell, And Have A Long Service Life; Adopting Imported Chips And Independent Coding, Multiple Sets Installed In One Household Do Not Cross Code, And Can Be Controlled Through Walls; It Is Applicable To The Lighting Of The Whole House To Meet The Needs Of Home, Office And Factory Decoration. One Button Remote Control Enables You To Switch On And Off Freely, Making Your Home Intelligent; Directly Add A Receiver In Front Of The Lamp Or Other Electrical Appliances, Which Can Be Controlled By Pasting Freely Without The Need For Rewiring, Making Installation Convenient. If Multiple Places Need To Be Controlled, Simply Add Random Stickers. Specifications: Wireless Remote Control Switch Receiver Power Supply: Ac90-250v (50/60hz) Current: 10a Working Frequency: 433mhz Applicable Lighting Fixtures: Led Pendant Lamps, Energy-Saving Lamps, Etc Output Method: Passive Signal/Dry Contact Signal Circular Four Button Remote Control Color: White Working Frequency: 433mhz Remote Control Distance: Approximately 50m Size: 60*35*10mm Remote Control Battery: 1* Cr2032 Battery(battery included)  Instructions For Setting Four Different Control Methods: 1. Four Way Jog Mode: Press The Learn Button Once. 2. Four Way Self-Locking Mode: Press The Learning Button Twice Continuously. 3. Four Way Interlocking Mode: Press The Learning Button Three Times Continuously. 4. Switch Between Two Jogs And Two Self-Locking Modes By Continuously Pressing The Learn Button Four Times. Clear Code&Check Code: Note: Two Keys Need To Be Learned To Successfully Learn Code Checking: Press The Learning Button Once, And The Indicator Light Will Light Up. At This Point, Immediately Press The First Button On The Remote Control, And The Indicator Light Will Flash Twice To Indicate Successful Learning Clear Code: Press The Learn Button 8 Times Continuously, And The Indicator Light Flashes 8 Times Continuously, Indicating Successful Code Clearing Product Included: 1 X Remote Control 1 X Receiver