Latest best sell wireless door bell/door chime/doorbells

Latest best sell wireless door bell/door chime/doorbells   Product Description   Indoor Product Introduction: Wireless digital voice intercom doorbell, works in 2.4G ISM, Transmission power is less than 100MW, AFH adaptive FM technology, With strong communication confidentiality, clear voice, wireless remote unlocking, power saving and far distance communication .The product is suitable for offices, villas, and courtyard and unit family places. Function of wireless door bell/door chime/doorbells: 1. 2.4GHz ISM digital frequency hopping and encryption technology, transmission distance up to 300m in free field, robust anti-interference; 2. Outdoor unit with touch button, power saving, nice design, voice clear and loud; 3. Rainproof, anti-oxidation and wear resistance outdoor unit, with rain-proof cover; 4. Indoor unit is with handhold, coupled with exquisite base, beautiful and practical. 5. Indoor unit with ringing reminder and flash reminder; 6. Indoor unit with unlocking button, support wireless remote unlock; 7. Both Indoor and outdoor unit use the high capacity lithium-ion rechargeable battery (model: BL-5J); 8. Outdoor camera can be powered by adapters or lithium battery; the standby time is 90 days for battery. 9. Support 2 ways unlock mode: power on unlock or power off unlock 10.One outdoor unit is able to simultaneously match with 3 indoor unit, when there is call from outdoor phones,3 indoor unit ring simultaneously, an indoor unit off-hook, the rest 2 indoor unit will disconnect automatically. 11. #1, #2, #3 indoor unit support internal intercom function, can be used as a Walkie-talkie. Features of wireless door bell/door chime/doorbells: 1,Battery work voltage : 3.4v~4.1v 2,Battery charge voltage: 5v 3,Battery charge current: 200ma (TBD) 4,Indoor unit standby current: Approx. 2ma 5,Indoor unit work current : 90ma (TBD) 6,outdoor unit standby current: Approx. 10ua 7,outdoor unit work current: 110ma (TBD) 8,work temperature : -10~70 degree 9,work frequency: 2400MHZ---2483MHZ 10,Transmission Power: 18dbm (TBD) 11,sensitivity: -90db 12,Distance in open area: 300m 13,Audio Rate: 16K 14,Audio Digits: 16 digits 15,Time delay: Approx. 16ms 16,Total harmonic distortion: -60db 17,S/N Ratio: 90db 18,Frequency response: 500 Hz~10 kHz 19,Indoor Size: 150*95*55mm                         20,Outdoor Size: 170*50*30mm Packing List: 
Indoor unit *3
Outdoor unit *1
Battery (BL-5G) *4 Charger*4 Manual*1
Screws *1   Pictures of wireless door bell/door chime/doorbells:
                Company Information Office and Showroon Assembly Line Products Certifacation   Our Services FAQ Q: 1. Can I have a sample order? A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable. Q: 2. What is the lead time? A: Sample needs 1-3 days, mass production time needs 10-15 days for order less than 5000 pcs. Q: 3. Do you have any MOQ limit? A: Our MOQ EXW is 100 pcs under neutral gift box; MOQ FOB is 1000pcs. MOQ for OEM is 1000PCS. Q: 4. How do you ship the goods and how long does it take arrive? A: for samples, we usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 days to arrive. for cargos, you can choose sea or airline service by your needs. Q: 5. How to precede the order if I have logo to print? A: Firstly, we will prepare artwork for visual confirmation, if the color and position are alright, we would make sampling first from silk print factory and take picture for your second confirmation before mass production. Q: 6. Do you offer guarantee for the products? A: Yes, we offer one year guarantee for the products. Q: 7. Do you accept drop shipping? A: Yes, it’s available.                    Contact info wireless door bell/door chime/doorbells