The St John Penlight examination torch is a handy tool to have in first aid situations | Features handy pupil indicators printed on the side for added convenience | Useful for providing a light source for testing pupil dilation and for examining first aid injuries | Perfect for keeping in first aid kits | Supplied with 2 x non-replaceable AA batteries | Battery life should last for around 3-6 months | 1 hour battery life | Automatic turn off | Pocket clip