This ultra-compact 0.5"  digital voltmeter is one of the smallest available, making it perfect for installations where space is limited. Ideal for RC models, DIY electronics, automotive projects, motorcycles, battery packs and more.

Features:

Ultra-compact design: 15 × 18 × 4.2mm
Bright 0.5" white OLED display with automatic decimal point
Measures DC 0 to 30V
Operating voltage: DC 3.5 to 30V
High accuracy: ±0.08% (measurement error ±0.7%)
Low current draw: <20mA
Refresh rate: 5Hz (default) or 10Hz
A simple, accurate and space-saving solution for real-time DC voltage monitoring.

IMPORTANT: Do not connect with the polarity reversed or the unit will be permanently damaged.