22.3g (0.79oz)

2.4V ~ 3.3V DC

-20℃ ~ +60℃

2.4 GHz, supports BLE 4.2 protocol

80m (open area)

88dBm

Once per second

Indicates device activation, pairing or status check

Continuous data broadcast (1000ms to 5000ms) for monitoring the on-board status of the driver; one-time data broadcast for emergency alert

CR2032 button battery 3 years (press three times per day on average under normal ambient condition with continuous broadcast turned off); 1 year (continuous broadcast every second)

Indicated in the data sent to the receiver