“NOTE: Please charging the device with provided USB charging cable to activate the device before the first use.
The LED light will light up in red when it is charging. And the LED light will light up in green when it is fully charged.
Low Battery Alert: When the batteries are low, the receiver LED indicator will flash once every 2 seconds so you know it’s time for a charge.
– Receiver Size: 2.0 x 1.4 x 0.2 inch
– Frequency: 433.92 MHz
– Sound Volume: 85-90 dB
– Working Range: 50-100 feet (Open Space)
– Battery: 1 X CR2032 Battery (for Transmitter , Included)
-Receivers Charging Port: DC 5V Micro USB
– 1 x Transmitter
– 5 x Receivers
– 5 x Key Ring
– 1 x CR2032 Battery
– 1 x USB Cable
– 1 x User Manual”