10Pcs x 1W/3W Square Aluminium Heat sink for LED Lamp Bulb black

Description

Quantity: 10PCS Color: Black Suitable for 1W/3W Power LED Size: Height: W35mm*H35mm*10mm Using high thermal conductivity oxide aluminum. unique cooling design Completely cooling 1pc 1W/3W high power LED without fans. Light up 365 days*24 hours