book lamp Material:ABS+STEEL Product size:4.2x2x2cm (fold), 16x5.5x2cm (open) 1 LED,2025*2 battery book lamp Material:ABS+STEELProduct size:4.2x2x2cm (fold), 16x5.5x2cm (open)1 LED,2025*2 batteryCertificate:This book light we have not took test, so without test report.But the LED we can get the ROHS test report from our supplier.