a5=overall size: 150*240mm working size: 149*210mm
a4=overall size: 233*335mm working size: 233*310mm

thickness: 3.5mm
interface: usb
voltage: 5v
power: 1.5w
color temperature: 8900k
material: acrylic

a5 1: non adjustable + dedicated usb cable (self provided power supply)
a5 2: stepless dimming + special usb cable (self provided power supply)
a5 3: three gear dimming + special usb cable (self provided power supply)
a5 4: dimming + special usb cable + original power distribution

light source: ledspecification:
 
thickness:  about 0.35cm

material: acrylic
light source: led
adjustable light: l1-l2-l3
voltage: 5v
power: 2.2w

packing included: 1*led drawing board,1*usb cable

weight(g): dimmable: 477; a54stlyle: 530; a3 usb with power supply: 1206; a4 dimmable usb: 530; a53stlyle: 280; a3 usb dimmable: 1640; a52stlyle: 530; dimmable+scale: 530; a3 usb 3 level dimming: 1640; a51stlyle: 530; not dimmable: 500.

package weight(g): dimmable: 506; a54stlyle: 550; a3 usb with power supply: 1226; a4 dimmable usb: 550; a53stlyle: 300; a3 usb dimmable: 1660; a52stlyle: 550; dimmable+scale: 550; a3 usb 3 level dimming: 1660; a51stlyle: 550; not dimmable: 550.

package size(mm): dimmable: 330*280*50; a54stlyle: 330*280*50; a3 usb with power supply: 466*350*50; a4 dimmable usb: 330*280*50; a53stlyle: 330*280*50; a3 usb dimmable: 466*350*50; a52stlyle: 330*280*50; dimmable+scale: 330*280*50; a3 usb 3 level dimming: 466*350*50; a51stlyle: 330*280*50; not dimmable: 330*280*50.