Installation and safty : You will find it is quite easy to install it into your Projector as the ways you are taking out your old lamp. Be aware of the connector make sure it connected well.
Warranty and return : New replaced lamp will be shipped to you when your bulb was out of work naturally in 180 days. Refundable issue, please contacts our 24 hours/7 days customer service. It is our appreciations if you need any further assistance.