Read Before Use; Safety Caution - ZKTeco GL300 User Manual

Read Before Use

Safety Caution

1. Do not use in environments with corrosive substances such as intense radiation, high
magnetic field, high temperature, high salinity, etc.
2. Please set electronic key immediately in case the door is opened illegally.
3. For your safety, please check the key box is opened or not.
4. To power on the lock, four alkaline AA batteries (not included) are required.
Non-alkaline and rechargeable batteries ARE NOT RECOMMENDED.
5. Do not remove batteries when the lock is in working state.
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