Relatively good dynamo flashlight, but with hard-to-pressing on / off button

Battery:
However, lithium battery LIR2450, 3.6 Volt, 120mAh capacity, the battery compartment is easily opened by turning is not,
waterproof. An external charging capability (eg via USB cable) there is not, but one can take out the battery completely and recharge (assuming one buys a corresponding charger which is in fact a kind of button battery). The battery is pre-charged. When cranking a green LED indicates that the battery is charging, this LED also lights up during operation. The on / off button is however extremely difficult to press, you have already properly vertically with a fingernail push down so not for children or the elderly.

Dynamo:
Crank: hard plastic, a little stiff
Volume: very low

Style:
Dimensions: fits comfortably in your hand even during cranking easy to grip.
weighs 147 g
Wrist strap: there is
Storage: to lie down and hang up

Light:
Number of LEDs: 3 times white, arranged in series
Light Mode: continuous light
Light spot: bright central spot with soft edges
Light color: cool white in the center, at the edge of warm white
Luminosity: relatively strong compared with other Dynamo flashlights

1min cranks generates pretty good light for at least shorter missions. A manual was not available (?). The price of 12.93 is okay.