Excellent linearity and flatness Wide range of optical power reception Single-mode fiber, high return loss Ultra-low noise wideband technology Compact design, plug and play, no additional adjustments required; Optical AGC automatic gain control function; Dual-color LED optical power indicator (bright red: optical power < -12 dBm, bright green: -12 dBm < optical power < +1 dBm, flashing red and green: optical power > +1 dBm); Aluminum alloy profile housing, anodized and sandblasted surface, resistant to discoloration, good heat dissipation Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Plug Type: EU Plug, it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC100-240V Color: Black Material: Metal Package Contents: 1*TV Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.