# LM 2 Series Durable Indoor Fixed LED Display > Indoor LED video wall for continuous professional use. 16:9 cabinets of 600×337.5 mm weigh 3.5 kg, with 3840Hz refresh and auto-calibration after module swaps. LED Express is the North American brand for LED displays: movable LED posters and all-in-one walls, fixed indoor and outdoor LED, and transparent and holographic LED. It serves the United States, Canada and Mexico. - Web page: https://led.express/products/lm2-series/ - Full content (Markdown): https://led.express/products/lm2-series/index.md - Language: English. Also in: [Español](https://led.express/es/productos/lm2-series/llms.txt), [Français](https://led.express/fr/produits/lm2-series/llms.txt) ## Key facts - Type: SMD - Size: 600×337.5×39.6mm - Pixel pitch: P1.3, P1.6, P1.9, P2.5 - Service access: Front/Rear - Module Dimension(mm): 300*168.75 - Cabinet Dimension(mm): 600*337.5 - Material: Die-casting aluminum (cabinet)、Plastic (rear cover) - Weight/cabinet(Kg): 3.5 - Refresh Rate(Hz): 3840 - Viewing Angle: 160/140 - Model: L121M 2, L151M 2, L181M 2, L251M 2 ## Related pages - [Indoor fixed](https://led.express/products/fixed-installation-led-display/indoor-fixed-led-display/index.md) - [LX-O Series](https://led.express/products/lx-o-series/index.md): Ultra-Slim High-Refresh Indoor Commercial LED Display - [T Series](https://led.express/products/t-series/index.md): High-Brightness Outdoor Billboard - [TA Series](https://led.express/products/ta-series/index.md): Low Power Commercial Outdoor Screen - [Canadian Church Worship Sanctuary: High-Fidelity Livestream Fine-Pitch LED Screen](https://led.express/projects/canadian-church-worship-fine-pitch-led/index.md): Canada - [Configure a wall](https://led.express/wall-builder/?display=lm2-series) - [Request a quote](https://led.express/quote/?display=lm2-series) ## More - [Site index](https://led.express/llms.txt) - [All displays](https://led.express/products/index.md) - [Request a quote](https://led.express/quote/)