D-Mart / Avenue Supermarts — mosquito swatters not working

Mosquito swatters don't working. What i have to do??? There is any solution of it or not. Any type of replacement or solution of it. Is there you cheating on me i surely compliant about you. Or else there is any mistake by me you correct me. To solve this problem and make me trust on you or buying goods from d'mart. Why the my swatters dont working i am asking a seller that this is working or not they said it is a check piece. Is there you think we are med that we are buying a damge piece with you