ITEM NAME:433Mhz Remote Control with Switch for Lighting Automated Curtain Description: Widely Use: Lighting,Automated curtains,Electric Door,Winder,Car alarm systerm Frequency: 433MHz Buttons: 1 buttons Maximum: 1500W Working mold: Self-locking, jogging, interlocking Specification: Code learning: Keep pressing the learning button for about 3 seconds. Then the indicator on after quick flashing 4 times which indicates code learning successfully. Code clearing: Pressing the learning for 8 seconds untill the light form off to on. Size Chart: Switch: approx. 81*38*22mm/3.19*1.5*0.87 inch Remote control: approx. 64*30*13mm/ 2.52*1.18*0.5 inch Package Includes: 1 Piece Remote Control 1 Piece Switch Note: This controller can learn 20 different codes and any keys for fixed code (PT2262, SC2260 chip, etc.)and learning code (EV1527, HS2240, etc.). If this parameter is exceeded, the earlier learning code will be cleared in order. SKU: DMO0022744979000099.Frequency: 433MHz. Switch: approx. 1 Piece Switch. Pressing the learning for 8 seconds untill the light form off to on. Keep pressing the learning button for about 3 seconds.