Mr. David Jr. is the smaller version of Mr. David. The difference is in the size and this model is not waterproof. Furthermore, this model also has the Zoom LED lighting of 10W Cree T6 and the positions; lots of light, medium, minimal and SOS in an emergency. Made from durable aluminum. 3 AAA batteries are included for immediate use of this product. Packed in a beautiful gift box with a sleeve under the B8ta brand.