To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
Bulb removal: Does not have enough suction to turn the bulb. Bulb replacement: It has good enough suction to line up the bulb prongs, but does not have enough suction to twist the bulb, the tool just spins on the bulb.