Delivery time for this battery is 5-7. Compatible models: , DVR EXTREME SILVER, Extreme Gold, Extreme Silver Capacity: 660mAh / 2.44Wh Size: 40.00 x 31.10 x 5.90mm Why choose Cameron Sino batteries? Cameron Sino was founded in 2000 and has been in existence for 23 years, proving it is not an overnight company. Since 2004, Cameron Sino has been involved in battery manufacturing, accumulating over 15 years of experience in battery production. Cameron Sino officially sells its products in America and European countries, confirming the high quality of their batteries.