Support Bluetooth BLE4.2/5.0 protocol Protection level: IP68 Ultra-low power consumption, battery life up to 2.5 years Broadcast distance up to 80 meters (open line of sight) Beacons parameters can be flexibly configured through the mobile APP Communication mode:BLE4.2, BLE5.0 Working mode:Broadcast Transmit power:-20dBm-+4.5dBm (default 0dBm) broadcast interval:100ms-10s (default 500ms) Operating frequency:2400MHz-2483.5MHz Transmission distance:80 meters (open line of sight) (The product appearance and printed words depending on the batch, but this does not affect use) Color: White Material: ABS Package Contents: 1 x BLE Beacons Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.