Bullet_point: ['100% compatibility with the following ACER projector models X1170 X1270 X1270N S1370WHN', 'All Original Lamps are manufactured to ISO9001 standards and come complete with a comprehensive 90 day warranty', 'Brand New P-VIP Lamp for a Projector (190 watt) 1 Lamp Supplied', 'This projector lamp is user friendly and user installable by following the documentation provided with the original device'] (Page 1)