Suitable for.177 to. 50 caliber. 1 Laser sight. Wavelength: red light 650nm / green light 532nm. Note: When using the green indicator light, do not install the battery backwards. Colour: Black. Adapter: 8 adapters (support 4.5, 5.5, 6, 8, 9, 10, 14, 16mm).
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