Features 1,Compatibility: Interlock kit is compatible with for Square D QO and for Homeline indoor or outdoor 100 or 125 amp panels, ensuring a secure connection for your generator power to any circuit in your home. 2,Safety Ensured: This kit prevents inconvenience caused by unexpected power outages. It is used to safely route generator power to any circuit in your home, offering a secure way to connect your generator while ensuring all household appliances remain in use. 3,Space Requirement: The distance between the main breaker and the generator breaker is 3 or 4 inches, ensuring proper spacing for effective power transmission. 4,Aluminum Alloy Material: Made of aluminum alloy, the SD 100A interlock kit is durable and reliable for secure and efficient generator connection. 5,Easy Installation: SD 100A generator interlock kit provides a 3 or 16 drill bit for easy penetration through the breaker panel. It is easy to install with no additional control box or wiring required. Specification Item Type: Generator Interlock Kit Mode: SD 100A Material: Aluminum Alloy Package List 2 x Interlock Plate3 x Screw3 x Nut1 x Generator Startup Program Label2 x Reminder Label2 x Cable Tie1 x Instruction Manual1 x Drill Bit Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.