- Haosie 12V DC timed relay, designed for DIY applications and electrical systems - Offers power-on delay, power-off delay, self-locking, and trigger delay functions - Features reverse polarity protection, preventing damage from incorrect connections - Flexible delay time adjustment between 0.1 and 120 seconds, adaptable to different uses - Automatic parameter memory, retaining settings after power-off - Robust construction and verified under quality standards, ideal for electrical installations and automation