433MHz digital wireless doorbell

1. 433MHz digital wireless doorbell 2. 433.92Mhz, CE approved 3. Low power consumption 4. Easy to install, Easy to move

433MHz digital wireless doorbell

Voltage: 3 x 1.5V DC AA, 100mMelodies: 15, 25 and 32Makes installation easy and brings to effect on interior decorationUltra-distance remote control (≥100m) meets need of various buildingsFix push button on door with screws glass glue or dual side sponge adhesive tapeBe sure not to let close to any metal abject or expose to rainsBattery may last for 1 year (20 times/day)Open battery compartment lid and insert 2 alkaline batteries of AA size (manganese batteries can not last ling and electrolyte may leak), with any low power consumption, alkaline battery may last for 1 year (20 times/day)Can be placed anywhere indoors, can even move as likeSuitable for homes, office buildings, factories, hotels and reception hallsReplace batteries when find can not work properly after period of time’s use: Appliance not intended for use by persons (including children) with reduced physical, sensory or mental capabilities or lack of experience and knowledge, unless given supervision or instruction concerning use of appliance by person responsible for safetyChildren should be supervised to ensure that do not play with applianceVarious paintings are availableCertification: CERoHS Directive-compliant

433MHz digital wireless doorbell