Mini Distance Meter Trena Measuring Tape Handheld Metre , Home Building Tool AssistantCOLOR DISPLAY: features Bluetooth functionality to conveniently transfer and store measurements from the measurer to a smart device via the appFEATURES: The built in inclinometer allows for advances features like angles, min max, stake out and double indirect for all at-home and construction site usesCan display 3 groups of historical data, can be tested under the M/IN/FT unit system to meet a variety of needs/FEATURES: The built in inclinometer allows for advances features like angles, min max, stake out and double indirect for all at-home and construction site usesCan display 3 groups of historical data, can be tested under the M/IN/FT unit system to meet a variety of needsStyle:ordinary / BluetoothColour:silverMaterial:aluminumSize:40M / 30MPackage Contents:1 * rangefinder1 * USB cable1 * Chinese and English manualOnly the above package content, other products are not included.Note: Light shooting 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.