Smartphone App Compatible Digital Sugar Meter A&D Bluetooth® Built-in AD-4771

[Measurement range] Brix: 0.00 to 55.00%, Temperature: -20.0 to 85.0°C [Minimum display] Brix: 0.05%, Temperature: 0.1°C Measurement time: Approximately 3 seconds. Temperature compensation range: 0 to 45°C (automatic temperature compensation). Operating temperature range: 5 to 45°C Auto power off: Approximately 1 minute (when Bluetooth is not connected) Bluetooth version: Bluetooth Low Energy (BLE) 4.2 Number of uses (when fully charged): Approximately 1,700 measurements Power supply / Charging time: Built-in rechargeable battery (350mA/h) / Approximately 1.5 hours Dimensions / Weight: 23 (W) x 84 (H) x 14.5 (D) mm / Approximately 24 g (main unit only)