Package Dimensions: 5.04 x 4.09 x 0.83 inches
Item Weight: 1.76 ounces
ASIN: B09FSSXV4Q
Item model number: for 164-R7989, 164-R8119, 164-R7991
Batteries: 1 Lithium Metal batteries required. (included)
Manufacturer: Mechanmegic
Country of Origin: China