Didn't get everything in module kit

i didn’t get the buzzer in my kit . it is arrive today

you may please contact with the support@boltiot.com,
oterwise you can buy a new buzzer from the electronics shop or through online shopping.

Please send a pic of the kit that you got and we will let you know whether the delivery is obvious or not

If there is any option for replacement you can simply replace it if you want.Otherwise you can buy the buzzer online or nearby shop.