Accurate and sensitive, stable performance, stable quality. Fine workmanship Superior quality More powerful than imagined. Electric car mountain bike scooter speed lithium battery LCD S861 liquid crystal instrument 24V 36V 48V waterproof connector. The communication protocol of this instrument is No. 2 communication protocol and must be matched with the controller of No. 2 communication protocol. Product model: S861 instrument Product name: JN display Core wire specification: 5pins Voltage: 24V-48V Communication protocol: No. 2 communication protocol Plug: waterproof plug Due to different batches, there may be differences in product appearance and printed text, which not affect use. Colour:Black Material:plastic Package Contents: 1 * LCD instrument 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.