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Introduction
HT-301 is a 3 button 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
- 3 digit code lock
- 6 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! Nikkoleofockxing@hotmail.co.uk
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