Feature Highlights: 1. Clear Display – Features a bright 4-digit high-definition digital tube for easy monitoring of output current and voltage. 2. Premium Design – Built with an aluminum knob cap, electroplated buttons, a durable membrane keypad, a charging indicator light, and a battery power switch. 3. High Practicality – Save your preferred voltage and current values with one click. Once stored, the settings remain even after restarting—no need to readjust every time you power on. 4. Wide Application – A must-have tool for electrical engineers and technicians to install, calibrate, troubleshoot, and maintain electrical equipment on-site. 5. Portable & Compact – Its small size makes it easy to carry, ideal for field use and mobile debugging tasks. Product Details: This handheld analog signal generator delivers reliable voltage (-12V to +12V) and current (0–24mA) output for process calibration and electrical testing. It comes with a built-in 3.7V 1100mAh rechargeable battery, supports one-touch parameter saving, and offers a user-friendly interface—perfect for field maintenance, system commissioning, and daily troubleshooting. Specifications: - Item Type: Signal Generator - Material: ABS - Model: SG002 - Color: Black - Voltage Output Range: -12V to +12V - Current Output Range: 0 to 24mA - Built-in Battery: 3.7V 1100mAh lithium battery (pre-installed) - Included: 1 x Signal Generator