Campainha, Sensor de Boas-Vindas na Entrada, Anúncio de Voz ao Entrar na Loja, Anúncio por Sensor Infravermelho

[ding dong] rechargeable model—built-in 400 mah lithium battery—/[you can record your own voice] 12 commonly used voices are sent/

[welcome] rechargeable model 400 mah + charging cable - / [you can record your own voice] 12 commonly used voices are included/

Basic model—[no battery and cannot be charged]—/[can record by yourself] 12 commonly used voices are sent/