Features 1、Simple operation, PON light source is suitable for various test environments, absolute power dBm and relative dB display. 2、With soft rubber protective sleeve, anti-fall and wear-resistant. 3、Handheld stable light source optical power meter, high precision. 4、The PON light source is 1310/ 1550nm, and the conventional wavelength is 1310‑1550nm. 5、Specify a standard operating wavelength into the range from min to maximum in this wavelength range designed optical power meter can work under the specified index. Specification Item Type: Light Source Optical Power Meter Conventional Wavelength: 1310-1550nm PON Light Source: 1310 / 1550nm Probe Range: IngaAs Output Optical Power: -7 / -7 Connector: SC Modulation: CW / 270 / 1K / 2K Working Temperature: -10 ～ 60 ℃ Storage Temperature: -25 ～ 70 ℃ Automatic Shutdown Time: 10min Power Supply: 3 x AA batteries (without batteries) Package List 1 x Optical Power Meter 1 x Adapter 1 x Shoulder Strap Accessories 1 x Cloth Bag