Balanced BMS board can not add accessories; Only Smart BMS board can add accessories like UART RS485 CAN LCD SOC etc SOC Indicator cable length: 47cm, board size:7x3.5x2.5cm, Bluetooth module cable length: 48-50cm, RS485/UART cable length: 100-104cm, NTC Temperature Sensor length: 26cm, LCD screen cable length: 46cm, screen size: T2.2*W9.8*L14 c Balancing wires lenth: 44cm Colour:As Shown Material:plastic Package Contents: 1 x Module(Tag Random, 't accept the specified) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.