This is the price inquiry on Taobao in China：20yuan
Lightning surge and leakage protection system
Add opening and closing indicator windows to avoid misoperation
Widening the joystick for safer and more effortless operation
Adopting sealed wiring ports to avoid leakage accidents, convenient wiring to prevent smashing and cracking
Carefully selected materials, using coarse copper connecting wires, thick copper plates, and sufficient coil turns for safe protection
From the Internet.Publisher：writer，Please indicate the source when turning around：https://www.machinery-agent.com/Electronic_component/735.html
