features ultra-low power consumption, stable Bluetooth, -ble battery, and convenient parameter configuration. With the " Holyiot-bea-con " APP, it is convenient for customers to test and adjust advertising parame.ters. can meet different needs under different environmental conditions.Product:HOLYIOT-21053Bluetooth version:BLE5.0Chip:nRF52810Configure APP: Holyiot-beaconBattery Type: Lithium batteryBattery Lithium: batterySupply voltage: 2.2-3.6VTransmission distance: 50mSize: 68x25mmButton: YesWeight with battery: 48gWeight (no battery): 31gInstallation : adhesiveElectrical characteristics:Quiescent Current:3uA current:8.0mAAverage current:54uA (+4dB/500ms Equipped all sensors)Battery capacity:2700 mAhBattery life:4000 days (0DB, 1S)Working Temperature:-40~ 80Colour:WhiteMaterial:plasticSize:. 59 x 41.8 x 15.5mmPackage Contents:1 x nRF52810 bluetooth beaconOnly 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.