Applies to: Reolink battery-powered cameras

Issue Description: The time the battery-powered camera starts to record is always later than the PIR is triggered. Or the time the battery-powered camera starts to record is always later than the E-mail Alarm.


Cause1:  The installation angle of the camera is improper.
Reolink battery-powered cameras have certain requirements of installation. Due to the working principle of the PIR motion sensor, the camera will be more sensitive to side-to-side movements within the detection range (120˚ horizontally). If the installation angle is improper, the PIR motion sensor will be triggered lately.

Solution: Adjust the installation angle to make sure that the camera is installed in the direction crossing the possible intruder instead of facing it so that it can detect the motion more accurately. Refer to: How to Adjust PIR Sensor Angle.

Cause2: Camera needs some time to wake up from standby mode.

Solution:  Reolink battery-powered camera will enter the standby mode to save the battery life when no motion triggers or the user accessing.

When motion triggers or the user accesses the camera, the camera will wake up and start previewing or recording. The wake-up time for battery-powered cameras is about 0.8 seconds. Thus, the delay of about 0.8 seconds is normal. 


Cause 3: Read and write speed of the SD card can also affect the time to start recording.

The storage space, speed class and usage time can affect the read and write speed of the SD card. The SD card with lower capacity, higher speed class and shorter use time are faster to read and write the data.

Solution: Change the SD Card with lower capacity, higher speed class and short use time. Using Class 10 SD card with 16/32 GB capacity can help to solve this problem. And if the SD card has been used for a long time, you can use a new card.