Features: Easy to install: It can be easily mounted on a wall, door or any other flat surface, making it suitable for any work environment. Whether it's a construction site, warehouse or office space, this sign can be placed where it's needed most, emphasizing the importance of safety throughout your organization. Eye-catching Logo: Designed with care and attention to detail, this sign serves as a constant visual reminder to prioritize workplace safety Specifications: Size: 28" X 20" Color: green white black Material: aluminum Package Includes: 1 Set electronic safety sign Notes: Manual measurement, please allow slight errors on size The color may exist a slight difference due to different screen displays Ingestion hazard: this product contains a button cell or coin battery Death or serious injury can occur if ingested A swallowed button cell or coin battery can cause Internal chemical Burns in as little as 2 hours Keep new and used batteries out of reach of children Seek immediate medical attention if a battery is suspected to be swallowed or inserted inside any part of the body