Apartment Use

QH-912-2
  • Product Type: Front Door And Back Door Door Chimes
  • Color: White+Grey or White
  • Power Supply(Transmitter): 1×12V 23A
  • Power Supply(Receiver): 2×1.5V AA
  • Operating Range: 100M(in the open air)
  • Package: Blister
  • Place of origin: China
  • Price Terms: FOB,CIF
  • Payment Terms: T/T,L/C at sight
  • Minimum Order: 2000pcs
  • Delivery Time: 30 days
  • Brand Name: Quhwa or OEM logo available

Description:


*Different music for front door transmitter and back door transmitter

*White+grey color default,totally white color available

*IP44 waterproof transmitter with silicone gel button

*FCC,CE and RoHS compliant

*Energy saving, transmitter battery can be used for over 15 months;receiver batteries for at least 9 months

*Transmitting distance up to 100 meters in the open air


Specification:


FREQUENCY 315/433MHz±0.5MHz
ACTIVE PRESSURE WAVE(RECEIVER) ≤-57dbm
NEGATIVE PRESSURE WAVE(TRANSMITTER) ≤-36dbm
RECEPTION SENSITIVITY ≥-80dBm
POWER SUPPLY(TRANSMITTER) 1×12V 23A(INCLUDED)
POWER SUPPLY(RECEIVER) 2×1.5V AA(NOT INCLUDED)
TRANSMITTING POWER ≤10mW
QUIESCENT CURRENT ≤400uA
RING VOLUME ≥70dB
OPERATING RANGE 100M(IN THE OPEN AIR)
SOUND OPTIONS TWO MELODIES