Type: Doorbells Place of Origin: China (Mainland) Brand Name: Luckarm Power Source: Battery, Plug Doorbell Type: Wireless Effective range:: 100 M chime sound: 32 pcs music price:: 1.75 USD/PCS FOB Ningbo MOQ:: 3000pcs; 6000pcs on OEM Brand packing: one side blister card unit packing;60pcs/CTN delivery time: 15 days payment term: TT30% deposit,70% balance against the BL copy digital doorbell price: need more 0.5USD/PCS than common doorbell LED flash doorbell price: more 0.1USD/PCS than common doorbell doorbell buttons:: many kinds of buttoms can be mattached