1. PC shell, fireproof and high temperature resistant 2. LED high-definition screen and digital display panel are more intuitive 3. Silver contacts, stable performance, anti-oxidation, high working efficiency;4. The large-capacity pins at the bottom are made of galvanized copper, with high melting point, strong resistance to oxidation and corrosion, and good electrical conductivity. 5. There are 3 delay modes: N1 power-on delay mode, N2 delay release mode, and N3 cycle delay mode;6. Widely used: suitable for automation equipment, electromechanical cabinets, electrical control, power protection and other fields Colour:black;Material:plastic;Product model: H3Y-4 (14 feet/four open and four closed, including base);Product name: time relay;Voltage: DC12V 24V 220V (optional);Time range: 0.1S-99H N1 mode power-on delay: four groups of delay pull-in N2 mode delayed release: four groups of pull-in when powered on, four groups of delayed disconnection T1 T2 cycle mode: T1 T2 on and off can set different times Ambient temperature: -25-75℃ Installation method: matching PYF-14A base installation type Setup instructions Mode description: N1 mode is power-on delay, N2 is delayed release, T1 and T2 are cycle delays. Working mode: long press + and one button for more than 3 seconds, click one button to change the working mode Time base setting: Press and hold the + key for more than 3 seconds to enter, click the + key to change the time specification. Change T2 time specification with one click in loop mode Value setting: the time of clicking the + key increases, and the time of clicking the one key decreases. In cycle mode, press and hold a button for more than 3 seconds to enter T2 value setting. Extension instructions: If there is no operation for more than 8 seconds, save the current settings and exi