NEEWER is a registered trademark. ONLY Authorized seller of NEEWER can sell under NEEWER listings. Specifications: * Temperature range: *Operation:-10-50 OC, max 80 % HR (Non-Condensed) *Storage:-10-50 OC,max 80 % HR (Non-Condensed) (removing batteries) *Sampling rate: >2 times/s *Display: 3 digits, max reading of 1999, with analog bar display; *Sensor: silicon photoelectric diode *Measured spectral range: 320-730nm *Measurement ranges: 20, 200, 2000, 20000, 200000 Lux 20, 200, 2000, 20000 FC *Operating environment: indoor use *Height: 2000m highest *Battery life: Approx. 200 hours *Power supply: 1?9 V,IEC 6LR61 ( not included) *Dimensions (H?W?D): 190 mm?89 mm?42.5 mm *Weight: Approx. 360 g without batteries Package contents: * 1 x Mastech MS8211 Pen-Type Digital Multimeter (Black) *1 x Carrying Bag Note: battery not included