1435mm Digital Track Gauge with Bluetooth Use in Railway

1435mm Digital Track Gauge with Bluetooth Use in Railway. Bluetooth Connectivity: Equipped with Bluetooth transmission key for wireless data transfer. Durable Sealed Structure: Rectangular metal body with dustproof and waterproof design, life up to 500,000 times. OLED Display: Clear data display via OLED screen and hand-held terminal. Anti-Interference Performance: Stable performance with resistance to electromagnetic interference. Rechargeable Power: Powered by DC3.4V-5.2V rechargeable battery with power saving function. Customizable Options: Available in customized length, weight, and voltage specifications.