7. Important Maintenance Instruction
Kindly pay attention to the following in order to achieve the best maintenance of the product:
• Keep the device dry. Rain, moisture, or any liquid, might contain minerals and thus corrode electronic circuits. If the device gets
wet, please dry it completely.
• Do not use or store the device in dusty or dirty environment. It might damage its detachable parts and electronic components.
• Do not store the device underexcessive heat condition.High temperaturecan shorten the life of electronic devices, destroy batteries,
and deform or melt some plastic parts.
• Do not store the device in places that are too cold. Otherwise, when the temperature rises to normal temperature, moisture will
form inside, which will destroy the board.
• Do not throw, knock or shake the device. Rough handling of equipment can destroy internal circuit boards and delicate structures.
• Do not clean the device with strong chemicals, detergents or strong detergents.
• Do not apply the device with paint. Smudges might block in the device and affect the operation.
• Do not throw the battery into the fire, or the battery will explode. Damaged batteries may also explode.
All of the above applies to your device, battery and accessories.
If any device is not working properly, please take it to the nearest authorized service facility for repair.
3. Insert the adapter output cable (included) interface into the
power interface (DC 12V) of the sound and light alarm, as
shown on the right.
The other end of the adapter is plugged into a traditional
socket (AC 220V) to power the sound and light alarm
(as shown below).
4. The device is compatible with the LoRaWAN open protocol
Class C class device, which supports four kinds of sound and
mute functions such as fire alarm, emergency, burglar, doorbell
and the like through the downlink command control device;
and also supports the LED light function: flowing light, blink
and unlighted.
R602B can be applied to the following scenarios:
1.Family
2.Engine room
3.School
4.Mining plant site
As a reminder of a security alert.
