The most important features:
- measuring the quantity of the product
- automatic detection of delivery
- Probe of the probe error
- remote event reporting
- control over external devices
- Tank measurement system 4S.
- Continuous measurement of the amount of fuel in the reservoirs.

Ranger 4S can be connected with 1 to 8 magnetostrictive test leads or analog probes (4..20 mA, MODBUS). The central unit can also be equipped with a report printer. It also serves as an alarming overflow system, as well as a security system that controls, for example, a stop valve, port, unit or other device. All information regarding the operation of the central unit can be displayed on an alphanumeric LCD screen. A keyboard can be used to access this information. Collaborates with the main building automation systems, fire systems and serves as a security system. Depending on the program settings, the alarm triggers the activation of a light signal (light bulb) or an acoustic signaling (buzzer), or an alarm report. Depending on the program configuration, the alarm can also trigger 1 to 10 relays that allow control over other external devices. The alarm situation can also be signaled by a text message via a GSM module, or read through a web browser.