The e-light beauty equipment user manual provides essential safety and operational guidelines for the e-angel model, emphasizing the importance of pre-operation checks such as filling the water tank and ensuring both the operator and patient wear protective eyewear. It outlines treatment procedures for various applications, including hair removal, skin rejuvenation, and acne treatment, complete with recommended energy levels and frequency settings. Additionally, it warns against certain medical conditions contraindicated for treatment and highlights maintenance procedures to ensure the machine's longevity and effectiveness.