Features 1、QF-021-45S is a compact triggering delay disconnection module, which is often used for delaying lights out and industrial control circuits. 2、Using NE555 monostable circuit scheme, this relay module is easy to use in the practical life. 3、Supporting 0-45S delay adjustment, such timing relay is entitled with high performance according to strict rule. 4、For wide voltage use, this kind of relay is made of materials in high quality. 5、After many inspections before leaving the factory, the quality is guaranteed, you can use it with confidence. Specification Item Type: Relay Technical Indicators: Delay Range: 0-45 seconds adjustment Minimum Delay Time: 0.5 seconds Load Capacity: 10A Package List 2 x Relay