... other circuit to control home electrical apparatus, such as lamp, cooker, and air condition. 3) dial 2 ... other circuit to control home electrical apparatus, such as lamp, cooker, and air condition. 4) dial 3 ... circuit to control home electrical apparatus, such as lamp, cooker, and air condition. 5) dial 4 ... When you wand to add Wireless Infra Red Detector ,door sensor, or remote controller in the system, ...