Complete setup for efficient testing with two configuration options: Type 1 (excluding battery) and Type 2 (including battery). - Key benefits: reliable voltage and current signal generation for consistent testing results, with a clear display and flexible power options to suit different work environments. - User friendly display: 4-digit high-definition display with brightness adjustable from 1 to 8, ensuring easy readability in varying lighting conditions. - Flexible power options: supports external DC5V, built-in lithium battery (Type 2), and compatibility with DC 15-30V sources for use at a desk, in the lab, or in the field. - Easy parameter saving: save voltage and current values with a single encoder press, so settings stay intact after restart without reconfiguration. - Practical use scenarios: 1) Lab bench calibration and testing of sensors, circuits, or power rails, with repeatable signal generation. 2) Field service or on-site measurements where portable power (battery) or external supply is needed. 3) Prototyping and development work requiring quick setup and reliable repeatable test signals. - Consistent performance and compatibility: designed as a complete signal generator solution with straightforward operation, accommodating common test workflows and offering dependable parameter retention.