Outdoor 3.9 on the K product sheet is K390, 3.91 mm, 7680 Hz, about 4500 nit, front and rear IP65. Those figures are the product specification, not measurements written on this project sheet.
Product ：K series outdoor 3.9
Screen size：220 square meters
Location：Chengdu, China
Time：Not stated on the project sheet
Mightyling Tech Co., Ltd.
Headquarters: No. 1 Yongkang Road, Shendang Town, Haiyan County, Jiaxing, Zhejiang, China 314311
Shenzhen Branch: Room 1601, Building 2, Manjinghua Sci-Tech Workshop, Songgang, Bao'an District, Shenzhen, China
Tel: +86 13824881605
Email: inquiry@mightyling.com
