Description: 1. Built-in 500MAH polymer lithium battery 2. Remote control battery: button battery CR2016 3V / three (subject to the actual remote control model) 3. The main battery is continuously charged and discharged up to 500 times (normal temperature) 4. Host size: 93x45x19 mm 5. Remote control size: 70x32x20 mm 6. Alarm sound test distance 10 cm up to 100 decibels |
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