Features High-Quality Materials: The use of premium materials enhances conductivity, extending the product's service life and ensuring reliable performance for long-term use. Versatile Functionality: Equipped with a built-in regular standby opening SIGN output port, allowing easy connection with a SIGN indicator light for convenient external observation. Stable and Safe Design: Constructed with flame-retardant plastic material, providing excellent insulation, high temperature resistance, and anti-aging properties for enhanced safety and reliability. Easy Installation: This microcomputer timer switch offers effortless installation, appealing to users seeking a hassle-free setup process. Flexible Operation: Supporting both automatic and manual operation modes, this timer switch offers flexibility and convenience, making it a practical choice for various applications. Specification: Item Type: Microcomputer Timer Switch Material: ABS Model: TM630S-4 Power Supply: DC12V Capacity: Resistance 30Ω Energy Consumption: between5VA Time Range: 1 minute-168 hours Brief Fainting: 90 days Installation: Monitor/wall installation Battery Parameters: Built-in button battery CR2450 3V 520mAh Package List: 1 x Microcomputer Timer Switch 1 x English User Manual Note: Do not use outside the parameter voltage range. Package List 1 x Microcomputer Timer Switch 1 x English User Manual