Features: High-Precision Measurement: This communication voltage and current meter provides accurate readings, making it a reliable tool for precise measurements. Durable and Reliable: Made- with high-quality electronic components-, this meter is built- to last and can withstand- heavy usage in any environment. Ideal- for Professionals: Designed for electricians, engineers, and technicians, this meter is the perfect tool for measuring voltage and current in commercial and industrial settings. Versatile Applications: Whether you need to measure voltage and current in power distribution- systems- or electrical equipment, this meter can handle it all-. Easy to Use: With its user-friendly design, this meter is easy to operate and provides quick and accurate results- every time-. Specifications: Host size: approx 30x74mm/1.2x3-inch Standard: 10A host/100A host/10A host with TTL- to USB cable/100A host with -CT/ set 4/set 5(optional) Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 set Communication Module