Features 【Silver Contact】: The dual power automatic transfer switch has industrial silver contact, which has better conductivity and is made of PP flame retardant material, which is very practical. 【Two Modes】: Our double power automatic transfer switch has both manual mode and automatic mode, you can consider using it according to your actual situation. 【Exquisite Craftsmanship】: The dual power automatic transfer switch is exquisite in craftsmanship, with internal knitting thread, neat wiring, sturdy and durable. 【Safe and Reliable】: When the normal power is abnormal, the backup power will work immediately, thus ensuring the continuity of power with reliability and security. 【Widely Applied】: Our double power automatic transfer switch is suitable for home, garage, office and so on, which is very widely applied. Package List 1 x Dual Power Automatic Transfer Switch 4 x Wiring Terminal 1 x Instruction Manual