The TS-1105 is a portable, card-like Bluetooth iBeacon device that uses a Bluetooth low-power chip design and features low power consumption and small size.It is equipped with a CR2032 battery that can last up to two years at 1s broadcast frequency. Model No.: TS-1105L Bluetooth Version: Bluetooth 5.1 TX Power-19.5~+2.5 dBm, Default +2.5dBm OTA: YES Distance60mBatteryCR 2032 (Replaceable) Battery Life2 Years CertificationBQB, FCC, CE, SRRC, RoHS, REACH Color: White Weight: 7g Size: 46*41*6mm OEM Custom: color, Print Logo, OEM Package, Software