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 analyzed reviews to verify trustworthiness. 【𝟑 𝐂𝐨𝐧𝐭𝐫𝐨𝐥 𝐑𝐞𝐚𝐥 𝐔𝐧𝐢𝐯𝐞𝐫𝐬𝐚𝐥 𝐁𝐚𝐜𝐤 𝐔𝐩 𝐂𝐚𝐦𝐞𝐫𝐚】Unlike backup camera that support…