Main Features: Wireless communication include Wi-Fi, Blue-tooth and LoRa. Modular design, with a BTB interface reserved at the bottom, capable of connecting and replacing different sensorsTouch pad and LED indicator light. Built in 250mAh rechargeable battery, magnetic suction charging port.Built in LoRa and Wi-Fi/BLE antennas, stylish appearance, compact and light. High strength plastic, IP65 waterproof.Support Heltec Wireless Boot system, download firmware, exchange information, and print logs through Wi-Fi.Meshtastic project compatible. Secondary development can be done through , Platform.io,etc.Default Satellite Configuration:GPS + BeiDouFrequency Bands:GPS L1 C/A: 1575.421.023MHzBeiDou B1I: 1561.0982.046MHzGLONASS L1: 1597.78~1605.66MHzPower Supply:Voltage range 2.7~3.4V, typical value 3.3VL76K Power Consumption at VCC=3.3V@-130dBm:GPS:Acquisition (mA): 23Tracking (mA): 23Standby (A): 20Backup (A): 8GPS + BeiDou:Acquisition (mA): 29Tracking (mA): 29Standby (A): 20Backup (A): 8GPS+GLONASS:Acquisition (mA): 29Tracking (mA): 29Standby (A): 20Backup (A): 8Reception Sensitivity (GPS + BeiDou):Acquisition: -148dBmRe-acquisition: -160dBmTracking: -162dBmFirst Positioning Time (With A-GPS, average of 500 real-world tests):Cold start: 5.5sWarm start: 2sHot start: 2s(Due to different product batches, the appearance , which does not affect the use)Material: Plasticcolour: As shownSpecification: BPackage Contents:1 x CapSule Sensor V3(902-928MHZ)1 x Charging Cable1 x LanyardOnly 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.