The text has a distinctly Chinese flavour to it.
Not sure what a 50 cm vibration tolerance is. Amplitude?
Description:Helmets Universal Wiper Device
Condition: 100% Brand New
Easy Installation. Adsorption head
Color:See Figure(White)
Feature:
UWD-800 Specification
1.Dimension : 19 x 15 x 7.6 cm (L, W, H)
2.Weight : 259g(without battery)
3.Certifications : CE, RoHS, IPX5
4.Allow speed : 100 Km/h
5.Allow vibration : + 50 cm
6.Helmets style : Full Face, Flip-up Face, Open Face
Each helmet for sucker absorbed surface should be smooth
7.Power strength(alkaline battery) : 10 hours (continuous swing mode)
8.Battery for device : AA batteries 4 pieces
9.Battery for remote control : Button battery (Lithium 2032) average used 2 years.
10.Power requirement : 4.5 Volts ~ 6.5 Volts
11. Power consumption : > 2.2 W
12.Blade : 6cm length, average used 2 years
13.Motor lifecycle : 800 hours
14.Swing modes : 3 modes,
a. Continuous mode : 25 r/M
b. Intermittent mode : 15 r/M
c. Touch mode : 1 r/one touch
15.Sucker specification : -20'C ~ 80'C, lifecycle over 2 years
16.Warranty : 1 Year
17.4 AA batteries(Without battery)
Fitment:
Fits for any kinds of helmet,full face/filip-up/open face helmets
Best partner of rider's,safely drive within the Rain.