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Installation diagram
Battery Installation Steps:
Warning: When replacing the battery, it must be done by professionals.
Please must use 2 CR2450 batteries for this device, and a single battery specification is 3V.
Please note that the positive and negative poles of the battery are not reversed.
Step 1: Use a flat screwdriver, along the opening of the back cover (the red frame in the Fig. 1.),
gently press it toward the center of the device, and then remove the battery back cover toward the back of the
device (with sticker).
Fig. 1.
Step 2: Put 2 batteries into the battery slot, please note that the positive pole of the battery is facing up and the negative pole is facing
down.
Fig. 2. Fig. 3.
Step 3: First align the side groove of the battery back cover with the protruding points of the host body (the red frame in Fig. 2.), and
then close the battery back cover.
Positive Pole
Detection Area
R313LA
