7
4. Install the batteries into the compartment and fix the door with the screw. Make
sure the positive and negative poles of batteries are correctly aligned; otherwise,
the batteries would be damaged.
5. Remove the Rubber Plug with care, then charge the doorbell with the USB Cable
provided.
Charging: Red Charging Indicator
Fully Charged: Blue Charging Indicator
Notes:
• It takes about 10-12 hours to reach a full charge.
• You can launch HeimLife App, then go to Settings>Basic Function>Power
Management>Remaining Battery to check the percentage of the remaining
battery.
6. After a full charge, please insert the Reset Pin into the Reset Hole and gently
press it for 3s - 5s until you hear a beep from the doorbell to perform a reset.