product name: automatic pencil sharpener
material: plastic
modeling: geometric
driving mode: electric
color: black, white, pink, blue
weight(g): 420.
package weight(g): 440.
package size(mm): 93*93*195.
$53.05
product name: automatic pencil sharpener
material: plastic
modeling: geometric
driving mode: electric
color: black, white, pink, blue
weight(g): 420.
package weight(g): 440.
package size(mm): 93*93*195.
product name: automatic pencil sharpener
material: plastic
modeling: geometric
driving mode: electric
color: black, white, pink, blue
weight(g): 420.
package weight(g): 440.
package size(mm): 93*93*195.
Weight | N/A |
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product information:
material: pvc
specification: 20*15*7
category: biological and medical models
iso (quality management): 9001: 2008
iso (environmental management): 14001: 2004
iso (occupational safety and health management: 28001: 2001
virus model factory direct sales model biological model
product information:
model: keycap
interface type: usb
color classification: a: 108-key ps theme blue and white sublimation keycap b: 108-key ps theme gray and white sublimation keycap c: supplementary key rgbk color 10 key supplementation d: supplementary key cmyk color 10 key supplementation
package type: official standard
connection method: wired
packing list:
1 x keycap
product information:
type: optical mouse
mouse size: rat (≥120mm)
connection with computer: wired
applicable models: desktop
photoelectric resolution: 2400-4800-6400-7200 (dpi)
number of keys: 7 (keys)
interface: usb
adjustable resolution: four gears
operating distance: 1.8 (m)
working method: photoelectric
wheel direction: four-way wheel
feature: gaming mouse
color: 1 x7 black e-commerce packaging, 2 x7 yellow e-commerce packaging, 3 x6 6400dpi rgb marquee version color box packaging, 4 x6 6400dpi, 5 x6 black 3200dpi e-commerce version, 6 x6 black 3200dpi color box version, 7 t80 black e-commerce color box, 8 t90 e-commerce color box 7200dpi, 9 t98 color box packaging 7200dpi, 10 t91 e-commerce color box 7200dpi, 11 t96 hardcover gift box black 7200dpi, 12 t80 silver e-commerce color box, 13 t96 hardcover gift box silver 7200dpi
scanner type; ordinary format scanner
scanning method; cis
optical resolution; 900dpi
scanning speed; 4(s)
media type; document paper, photo
scanning format; a4
color conversion; 24 (bits)
scanning light source; cis
interface; usb
size; 255*33*25(mm)
color classification:
battery: (scanner + anti-fall package + battery + send software))
battery set : package 1 (scanner + 16g memory card + anti-fall package + battery + send software)
charging: borderless scanning normal version (scanner + 16g memory card + anti-fall package + send software)
charging wifi : borderless scanning wif version (scanner + 16g memory card + anti-fall package + send software)
product information:
model: audio wall chart
applicable age: 2 years old, 3 years old, 4 years old, 5 years old, 6 years old, 7 years old, 8 years old
material: plastic
applicable gender: neutral toys
type: wall chart type
a: 14 inch charging model
b: tablet + pinyin card 245 pieces send and receive card ring
packing list :
table *1
data line * 1
camera pixels: interpolated 200w pixels
best video resolution: 640*480
photo/video: built-in
auxiliary light source: 8 white light l.Ed lights (adjustable)
digital zoom: 5-stage
imaging distance: manual adjustment 0~40mm
magnification: 0x~1600x
supported systems: windows xp, vista, win7, win8, win10, mac os
computer interface: usb3.0, usb2.0 & usb 1.1 compatible
dynamic frames: 30f/s under 600 lux brightness
illumination range: 0 ~ 30000lux adjustable by wire
power supply:
usb (5v dc)
support languages: chinese, english, german, japanese, korean and other 19 languages (other languages can be customized)
type: electron microscope
model: x4 three in one
eyepiece magnification: 1000
objective lens magnification: 1000
instrument magnification: 1000
weight: 175 (g)
resolution: vga
data format: yuy2
output format (static): yuy2
output format (static): bmp
pixel size: 640*480
frame rate: 30f/s
signal to noise ratio: 42db
sensitivity: 2.5v/lux.S
light source: positive white led
working current: up to 120ma
working temperature: 20 ° c -75 ° c
power input: usb-5v
specifications:
ordinary usbx4 does not contain bracket 500x,
ordinary usbx4 universal bracket 500x,
ordinary usbx4 does not contain a stand 1000x,
ordinary usbx4 universal bracket 1000x,
ordinary usbx4 does not contain bracket 1600x,
ordinary usbx4 universal bracket 1600x,
three-in-one x4 universal bracket 1600x,
three in one x4 without bracket 1600x
overview:
this model shows the bones, muscles, ligaments, nerves, blood vessels and other anatomical structures of the human hand, and the hand aponeurosis and flexor brevis can be removed to see the complex hand muscles, tendons, and nerve grids , which shows various details of the hand very intuitively.
specification:
material: plastic
type: model
specification: 46x12.8x20cm
use crowd: general
scope of application: teaching
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