How to write the notice that the property informs the merchants to install emergency lights by themselves?

1. Title: The title of the notice should be concise, which can clearly convey the theme and purpose of the notice. For example, "Notice on Installation of Emergency Lights".

2. Text: The text of the notice should include the following contents: the background and purpose of the notice, the contents and requirements of the notice, the object and scope of the notice, the installation standards and requirements of emergency lights, contact information and feedback channels.

3. Signature: The signature of the notice should include the name, date and contact information of the property management company, so that the merchant can contact the property management company in time when necessary.