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Introduction
HT-302 is a 4 digit code lock, can change the password with different connection to the key pad. If the sequence of the password is correct, the relay will turn on. Any other buttons except the password's button will be the reset button
Product Features
- Working Voltage: 9V DC
- 4 digits code lock
- 5 reset buttons
- Reverse polarity protection
- Easy to construct and operate
- Can drive AC or DC load
Note
- You need to have a soldering skill and basic knowledge of testing
- For any inquiry or other technical problem please email us!
- Email: Nikkoleofockxing@hotmail.co.uk
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