Wahl tools include corded clippers (no battery) and cordless models that use 4 AA alkaline batteries. One cordless trimmer lists up to 3 hours runtime, and some grinders note that batteries are included.
Wahl clippers list easy-care features such as detachable, rinsable blades on cordless trimmers and general care instructions like spot cleaning or wiping tools and kits.
Review summaries commonly mention a pleasant, noticeable (but not overpowering) scent that can linger from a few days up to about two weeks. Many reviewers also report improved coat softness, added shine, and reduced itching or irritation.
Scents listed include lavender chamomile, eucalyptus and spearmint, coconut and lime verbena, pear, and a general "fresh" fragrance.
Many shampoos use plant-derived formulas and are labeled PEG-80 free, alcohol-free, paraben-free, and pH-balanced; some formulas also specify oatmeal for soothing dry or sensitive skin.