SIG SAUER Echo RV35 2-16x35mm 30mm Tube Thermal Rifle Scope 50 Hz 384x288 Black SOEC31200. 5 degrees Battery Type: 18650 Battery Life: 12 hours Water Resistance Level: IPX67 Length: 375 mm 14.8 in Width: 72 mm 2.8 in Height: 3.5 in 89 mm Weight: 900 g 31.7 oz Battery Quantity: 2 Noise Equivalent Temperature Difference: 20 mK NETD Features of SIG SAUER Echo RPWS UXR35 2-16x35mm 30mm Tube Thermal Rifle Scope: LWIR 12um 50Hz thermal core with