Wireless Sos Button Emergency Button

SPECIFICATIONS
Working volt:: DC 5V-3V

Wireless central frequency:: 433Mhz

Wireless Distance:: ?80M

Transmitting frequency:: 315/433MHZ

Smart home platform: Other

Model Number: PJ-12

Working volt: DC 5V-3V(Cell coin battery)
Dynamic current: <20mA
Transmitting frequency: 315/433MHZ
Wireless central frequency: 433Mhz
Wireless Distance:?80M(Open Area)

Package includeSet A: 1 * wireless button (battery include)Set B: 2 * wireless button (battery include)Set C: 5 * wireless button (battery include)

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.