Aqara H1 Manuel D'utilisation page 14

Under normal use of condition, this equipment should be kept a separation
distance of at least 20cm between the antenna and the body of the user.
EU Declaration of Conformity
Hereby, [Lumi United Technology Co., Ltd.] declares that the radio
equipment type [Wireless Remote Switch H1(Double Rocker), WRS-R02] is in
compliance with Directive 2014/53/EU. The full text of the EU declaration of
conformity is available at the following internet address:
http://www.aqara.com/DoC/
CAUTION
Risk of explosion if the battery is replaced by an incorrect type.
Dispose of used batteries according to the instructions.
Do not ingest battery, Chemical Burn Hazard.
This product contains a coin / button cell battery. If the coin / button cell battery is
swallowed, it can cause severe internal burns in just 2 hours and can lead to death.
Keep new and used batteries away from children.
If the battery compartment does not close securely, stop using the product and
keep it away from children.
If you think batteries might have been swallowed or placed inside any part of the
body, seek immediate medical attention.
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